13178440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 32944320

約数和(自身を除く): 19765880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 491, 610, 671, 982, 1220, 1342, 1964, 2440, 2455, 2684, 3355, 3928, 4910, 5368, 5401, 6710, 9820, 10802, 13420, 19640, 21604, 26840, 27005, 29951, 43208, 54010, 59902, 108020, 119804, 149755, 216040, 239608, 299510, 329461, 599020, 658922, 1198040, 1317844, 1647305, 2635688, 3294610, 6589220, 13178440]

約数ペア:

[(1, 13178440), (2, 6589220), (4, 3294610), (5, 2635688), (8, 1647305), (10, 1317844), (11, 1198040), (20, 658922), (22, 599020), (40, 329461), (44, 299510), (55, 239608), (61, 216040), (88, 149755), (110, 119804), (122, 108020), (220, 59902), (244, 54010), (305, 43208), (440, 29951), (488, 27005), (491, 26840), (610, 21604), (671, 19640), (982, 13420), (1220, 10802), (1342, 9820), (1964, 6710), (2440, 5401), (2455, 5368), (2684, 4910), (3355, 3928)]