55780400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:679

約数の個数: 120

約数和(自身を含む): 153052704

約数和(自身を除く): 97272304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 170, 200, 208, 221, 260, 272, 325, 340, 400, 425, 442, 520, 631, 650, 680, 850, 884, 1040, 1105, 1262, 1300, 1360, 1700, 1768, 2210, 2524, 2600, 3155, 3400, 3536, 4420, 5048, 5200, 5525, 6310, 6800, 8203, 8840, 10096, 10727, 11050, 12620, 15775, 16406, 17680, 21454, 22100, 25240, 31550, 32812, 41015, 42908, 44200, 50480, 53635, 63100, 65624, 82030, 85816, 88400, 107270, 126200, 131248, 139451, 164060, 171632, 205075, 214540, 252400, 268175, 278902, 328120, 410150, 429080, 536350, 557804, 656240, 697255, 820300, 858160, 1072700, 1115608, 1394510, 1640600, 2145400, 2231216, 2789020, 3281200, 3486275, 4290800, 5578040, 6972550, 11156080, 13945100, 27890200, 55780400]

約数ペア:

[(1, 55780400), (2, 27890200), (4, 13945100), (5, 11156080), (8, 6972550), (10, 5578040), (13, 4290800), (16, 3486275), (17, 3281200), (20, 2789020), (25, 2231216), (26, 2145400), (34, 1640600), (40, 1394510), (50, 1115608), (52, 1072700), (65, 858160), (68, 820300), (80, 697255), (85, 656240), (100, 557804), (104, 536350), (130, 429080), (136, 410150), (170, 328120), (200, 278902), (208, 268175), (221, 252400), (260, 214540), (272, 205075), (325, 171632), (340, 164060), (400, 139451), (425, 131248), (442, 126200), (520, 107270), (631, 88400), (650, 85816), (680, 82030), (850, 65624), (884, 63100), (1040, 53635), (1105, 50480), (1262, 44200), (1300, 42908), (1360, 41015), (1700, 32812), (1768, 31550), (2210, 25240), (2524, 22100), (2600, 21454), (3155, 17680), (3400, 16406), (3536, 15775), (4420, 12620), (5048, 11050), (5200, 10727), (5525, 10096), (6310, 8840), (6800, 8203)]