4009989440

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1249}}^1$

素因数の和:1472

約数の個数: 112

約数和(自身を含む): 9753600000

約数和(自身を除く): 5743610560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 127, 158, 160, 254, 316, 320, 395, 508, 632, 635, 790, 1016, 1249, 1264, 1270, 1580, 2032, 2498, 2528, 2540, 3160, 4064, 4996, 5056, 5080, 6245, 6320, 8128, 9992, 10033, 10160, 12490, 12640, 19984, 20066, 20320, 24980, 25280, 39968, 40132, 40640, 49960, 50165, 79936, 80264, 98671, 99920, 100330, 158623, 160528, 197342, 199840, 200660, 317246, 321056, 394684, 399680, 401320, 493355, 634492, 642112, 789368, 793115, 802640, 986710, 1268984, 1578736, 1586230, 1605280, 1973420, 2537968, 3157472, 3172460, 3210560, 3946840, 5075936, 6314944, 6344920, 7893680, 10151872, 12531217, 12689840, 15787360, 25062434, 25379680, 31574720, 50124868, 50759360, 62656085, 100249736, 125312170, 200499472, 250624340, 400998944, 501248680, 801997888, 1002497360, 2004994720, 4009989440]

約数ペア:

[(1, 4009989440), (2, 2004994720), (4, 1002497360), (5, 801997888), (8, 501248680), (10, 400998944), (16, 250624340), (20, 200499472), (32, 125312170), (40, 100249736), (64, 62656085), (79, 50759360), (80, 50124868), (127, 31574720), (158, 25379680), (160, 25062434), (254, 15787360), (316, 12689840), (320, 12531217), (395, 10151872), (508, 7893680), (632, 6344920), (635, 6314944), (790, 5075936), (1016, 3946840), (1249, 3210560), (1264, 3172460), (1270, 3157472), (1580, 2537968), (2032, 1973420), (2498, 1605280), (2528, 1586230), (2540, 1578736), (3160, 1268984), (4064, 986710), (4996, 802640), (5056, 793115), (5080, 789368), (6245, 642112), (6320, 634492), (8128, 493355), (9992, 401320), (10033, 399680), (10160, 394684), (12490, 321056), (12640, 317246), (19984, 200660), (20066, 199840), (20320, 197342), (24980, 160528), (25280, 158623), (39968, 100330), (40132, 99920), (40640, 98671), (49960, 80264), (50165, 79936)]