6665780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 15664320

約数和(自身を除く): 8998540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 739, 820, 902, 1478, 1804, 2255, 2956, 3695, 4510, 7390, 8129, 9020, 14780, 16258, 30299, 32516, 40645, 60598, 81290, 121196, 151495, 162580, 302990, 333289, 605980, 666578, 1333156, 1666445, 3332890, 6665780]

約数ペア:

[(1, 6665780), (2, 3332890), (4, 1666445), (5, 1333156), (10, 666578), (11, 605980), (20, 333289), (22, 302990), (41, 162580), (44, 151495), (55, 121196), (82, 81290), (110, 60598), (164, 40645), (205, 32516), (220, 30299), (410, 16258), (451, 14780), (739, 9020), (820, 8129), (902, 7390), (1478, 4510), (1804, 3695), (2255, 2956)]