156981109820

素因数分解:

$2^2\times 5^1\times {\mathrm{1699}}^1\times {\mathrm{4619809}}^1$

素因数の和:4621517

約数の個数: 24

約数和(自身を含む): 329854434000

約数和(自身を除く): 172873324180

約数列:

[1, 2, 4, 5, 10, 20, 1699, 3398, 6796, 8495, 16990, 33980, 4619809, 9239618, 18479236, 23099045, 46198090, 92396180, 7849055491, 15698110982, 31396221964, 39245277455, 78490554910, 156981109820]

約数ペア:

[(1, 156981109820), (2, 78490554910), (4, 39245277455), (5, 31396221964), (10, 15698110982), (20, 7849055491), (1699, 92396180), (3398, 46198090), (6796, 23099045), (8495, 18479236), (16990, 9239618), (33980, 4619809)]