51572840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 138240000

約数和(自身を除く): 86667160

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 88, 95, 110, 124, 152, 155, 190, 199, 209, 220, 248, 310, 341, 380, 398, 418, 440, 589, 620, 682, 760, 796, 836, 995, 1045, 1178, 1240, 1364, 1592, 1672, 1705, 1990, 2090, 2189, 2356, 2728, 2945, 3410, 3781, 3980, 4180, 4378, 4712, 5890, 6169, 6479, 6820, 7562, 7960, 8360, 8756, 10945, 11780, 12338, 12958, 13640, 15124, 17512, 18905, 21890, 23560, 24676, 25916, 30248, 30845, 32395, 37810, 41591, 43780, 49352, 51832, 61690, 64790, 67859, 75620, 83182, 87560, 117211, 123380, 129580, 135718, 151240, 166364, 207955, 234422, 246760, 259160, 271436, 332728, 339295, 415910, 468844, 542872, 586055, 678590, 831820, 937688, 1172110, 1289321, 1357180, 1663640, 2344220, 2578642, 2714360, 4688440, 5157284, 6446605, 10314568, 12893210, 25786420, 51572840]

約数ペア:

[(1, 51572840), (2, 25786420), (4, 12893210), (5, 10314568), (8, 6446605), (10, 5157284), (11, 4688440), (19, 2714360), (20, 2578642), (22, 2344220), (31, 1663640), (38, 1357180), (40, 1289321), (44, 1172110), (55, 937688), (62, 831820), (76, 678590), (88, 586055), (95, 542872), (110, 468844), (124, 415910), (152, 339295), (155, 332728), (190, 271436), (199, 259160), (209, 246760), (220, 234422), (248, 207955), (310, 166364), (341, 151240), (380, 135718), (398, 129580), (418, 123380), (440, 117211), (589, 87560), (620, 83182), (682, 75620), (760, 67859), (796, 64790), (836, 61690), (995, 51832), (1045, 49352), (1178, 43780), (1240, 41591), (1364, 37810), (1592, 32395), (1672, 30845), (1705, 30248), (1990, 25916), (2090, 24676), (2189, 23560), (2356, 21890), (2728, 18905), (2945, 17512), (3410, 15124), (3781, 13640), (3980, 12958), (4180, 12338), (4378, 11780), (4712, 10945), (5890, 8756), (6169, 8360), (6479, 7960), (6820, 7562)]