40486910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 77047200

約数和(自身を除く): 36560290

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 409, 521, 818, 1042, 2045, 2605, 4090, 5210, 7771, 9899, 15542, 19798, 38855, 49495, 77710, 98990, 213089, 426178, 1065445, 2130890, 4048691, 8097382, 20243455, 40486910]

約数ペア:

[(1, 40486910), (2, 20243455), (5, 8097382), (10, 4048691), (19, 2130890), (38, 1065445), (95, 426178), (190, 213089), (409, 98990), (521, 77710), (818, 49495), (1042, 38855), (2045, 19798), (2605, 15542), (4090, 9899), (5210, 7771)]