61027340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3907}}^1$

素因数の和:3998

約数の個数: 48

約数和(自身を含む): 141813504

約数和(自身を除く): 80786164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 3907, 7810, 7814, 15620, 15628, 19535, 39070, 42977, 78140, 85954, 171908, 214885, 277397, 429770, 554794, 859540, 1109588, 1386985, 2773970, 3051367, 5547940, 6102734, 12205468, 15256835, 30513670, 61027340]

約数ペア:

[(1, 61027340), (2, 30513670), (4, 15256835), (5, 12205468), (10, 6102734), (11, 5547940), (20, 3051367), (22, 2773970), (44, 1386985), (55, 1109588), (71, 859540), (110, 554794), (142, 429770), (220, 277397), (284, 214885), (355, 171908), (710, 85954), (781, 78140), (1420, 42977), (1562, 39070), (3124, 19535), (3905, 15628), (3907, 15620), (7810, 7814)]