20174766880

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{7489}}^1$

素因数の和:7766

約数の個数: 96

約数和(自身を含む): 48413862000

約数和(自身を除く): 28239095120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 149, 160, 226, 298, 452, 565, 596, 745, 904, 1130, 1192, 1490, 1808, 2260, 2384, 2980, 3616, 4520, 4768, 5960, 7489, 9040, 11920, 14978, 16837, 18080, 23840, 29956, 33674, 37445, 59912, 67348, 74890, 84185, 119824, 134696, 149780, 168370, 239648, 269392, 299560, 336740, 538784, 599120, 673480, 846257, 1115861, 1198240, 1346960, 1692514, 2231722, 2693920, 3385028, 4231285, 4463444, 5579305, 6770056, 8462570, 8926888, 11158610, 13540112, 16925140, 17853776, 22317220, 27080224, 33850280, 35707552, 44634440, 67700560, 89268880, 126092293, 135401120, 178537760, 252184586, 504369172, 630461465, 1008738344, 1260922930, 2017476688, 2521845860, 4034953376, 5043691720, 10087383440, 20174766880]

約数ペア:

[(1, 20174766880), (2, 10087383440), (4, 5043691720), (5, 4034953376), (8, 2521845860), (10, 2017476688), (16, 1260922930), (20, 1008738344), (32, 630461465), (40, 504369172), (80, 252184586), (113, 178537760), (149, 135401120), (160, 126092293), (226, 89268880), (298, 67700560), (452, 44634440), (565, 35707552), (596, 33850280), (745, 27080224), (904, 22317220), (1130, 17853776), (1192, 16925140), (1490, 13540112), (1808, 11158610), (2260, 8926888), (2384, 8462570), (2980, 6770056), (3616, 5579305), (4520, 4463444), (4768, 4231285), (5960, 3385028), (7489, 2693920), (9040, 2231722), (11920, 1692514), (14978, 1346960), (16837, 1198240), (18080, 1115861), (23840, 846257), (29956, 673480), (33674, 599120), (37445, 538784), (59912, 336740), (67348, 299560), (74890, 269392), (84185, 239648), (119824, 168370), (134696, 149780)]