80904331375

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1538

約数の個数: 128

約数和(自身を含む): 125174439936

約数和(自身を除く): 44270108561

約数列:

[1, 5, 7, 23, 25, 35, 41, 71, 115, 125, 161, 175, 205, 287, 355, 497, 575, 805, 875, 943, 1025, 1381, 1435, 1633, 1775, 2485, 2875, 2911, 4025, 4715, 5125, 6601, 6905, 7175, 8165, 8875, 9667, 11431, 12425, 14555, 20125, 20377, 23575, 31763, 33005, 34525, 35875, 40825, 48335, 56621, 57155, 62125, 66953, 72775, 98051, 101885, 117875, 158815, 165025, 172625, 204125, 222341, 241675, 283105, 285775, 334765, 363875, 396347, 468671, 490255, 509425, 686357, 794075, 825125, 1111705, 1208375, 1302283, 1415525, 1428875, 1673825, 1981735, 2255173, 2343355, 2451275, 2547125, 3431785, 3970375, 4020091, 5558525, 6511415, 7077625, 8369125, 9115981, 9908675, 11275865, 11716775, 12256375, 15786211, 17158925, 20100455, 27792625, 28140637, 32557075, 45579905, 49543375, 56379325, 58583875, 78931055, 85794625, 92462093, 100502275, 140703185, 162785375, 227899525, 281896625, 394655275, 462310465, 502511375, 647234651, 703515925, 1139497625, 1973276375, 2311552325, 3236173255, 3517579625, 11557761625, 16180866275, 80904331375]

約数ペア:

[(1, 80904331375), (5, 16180866275), (7, 11557761625), (23, 3517579625), (25, 3236173255), (35, 2311552325), (41, 1973276375), (71, 1139497625), (115, 703515925), (125, 647234651), (161, 502511375), (175, 462310465), (205, 394655275), (287, 281896625), (355, 227899525), (497, 162785375), (575, 140703185), (805, 100502275), (875, 92462093), (943, 85794625), (1025, 78931055), (1381, 58583875), (1435, 56379325), (1633, 49543375), (1775, 45579905), (2485, 32557075), (2875, 28140637), (2911, 27792625), (4025, 20100455), (4715, 17158925), (5125, 15786211), (6601, 12256375), (6905, 11716775), (7175, 11275865), (8165, 9908675), (8875, 9115981), (9667, 8369125), (11431, 7077625), (12425, 6511415), (14555, 5558525), (20125, 4020091), (20377, 3970375), (23575, 3431785), (31763, 2547125), (33005, 2451275), (34525, 2343355), (35875, 2255173), (40825, 1981735), (48335, 1673825), (56621, 1428875), (57155, 1415525), (62125, 1302283), (66953, 1208375), (72775, 1111705), (98051, 825125), (101885, 794075), (117875, 686357), (158815, 509425), (165025, 490255), (172625, 468671), (204125, 396347), (222341, 363875), (241675, 334765), (283105, 285775)]