31203980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{50329}}^1$

素因数の和:50369

約数の個数: 24

約数和(自身を含む): 67643520

約数和(自身を除く): 36439540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 50329, 100658, 201316, 251645, 503290, 1006580, 1560199, 3120398, 6240796, 7800995, 15601990, 31203980]

約数ペア:

[(1, 31203980), (2, 15601990), (4, 7800995), (5, 6240796), (10, 3120398), (20, 1560199), (31, 1006580), (62, 503290), (124, 251645), (155, 201316), (310, 100658), (620, 50329)]