161119640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{366181}}^1$

素因数の和:366203

約数の個数: 32

約数和(自身を含む): 395476560

約数和(自身を除く): 234356920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 366181, 732362, 1464724, 1830905, 2929448, 3661810, 4027991, 7323620, 8055982, 14647240, 16111964, 20139955, 32223928, 40279910, 80559820, 161119640]

約数ペア:

[(1, 161119640), (2, 80559820), (4, 40279910), (5, 32223928), (8, 20139955), (10, 16111964), (11, 14647240), (20, 8055982), (22, 7323620), (40, 4027991), (44, 3661810), (55, 2929448), (88, 1830905), (110, 1464724), (220, 732362), (440, 366181)]