82130440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{563}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 211973760

約数和(自身を除く): 129843320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 521, 563, 1042, 1126, 2084, 2252, 2605, 2815, 3647, 3941, 4168, 4504, 5210, 5630, 7294, 7882, 10420, 11260, 14588, 15764, 18235, 19705, 20840, 22520, 29176, 31528, 36470, 39410, 72940, 78820, 145880, 157640, 293323, 586646, 1173292, 1466615, 2053261, 2346584, 2933230, 4106522, 5866460, 8213044, 10266305, 11732920, 16426088, 20532610, 41065220, 82130440]

約数ペア:

[(1, 82130440), (2, 41065220), (4, 20532610), (5, 16426088), (7, 11732920), (8, 10266305), (10, 8213044), (14, 5866460), (20, 4106522), (28, 2933230), (35, 2346584), (40, 2053261), (56, 1466615), (70, 1173292), (140, 586646), (280, 293323), (521, 157640), (563, 145880), (1042, 78820), (1126, 72940), (2084, 39410), (2252, 36470), (2605, 31528), (2815, 29176), (3647, 22520), (3941, 20840), (4168, 19705), (4504, 18235), (5210, 15764), (5630, 14588), (7294, 11260), (7882, 10420)]