621037520

素因数分解:

$2^4\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{4789}}^1$

素因数の和:6423

約数の個数: 40

約数和(自身を含む): 1445104680

約数和(自身を除く): 824067160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1621, 3242, 4789, 6484, 8105, 9578, 12968, 16210, 19156, 23945, 25936, 32420, 38312, 47890, 64840, 76624, 95780, 129680, 191560, 383120, 7762969, 15525938, 31051876, 38814845, 62103752, 77629690, 124207504, 155259380, 310518760, 621037520]

約数ペア:

[(1, 621037520), (2, 310518760), (4, 155259380), (5, 124207504), (8, 77629690), (10, 62103752), (16, 38814845), (20, 31051876), (40, 15525938), (80, 7762969), (1621, 383120), (3242, 191560), (4789, 129680), (6484, 95780), (8105, 76624), (9578, 64840), (12968, 47890), (16210, 38312), (19156, 32420), (23945, 25936)]