42345490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20261}}^1$

素因数の和:20298

約数の個数: 32

約数和(自身を含む): 87531840

約数和(自身を除く): 45186350

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 20261, 40522, 101305, 202610, 222871, 384959, 445742, 769918, 1114355, 1924795, 2228710, 3849590, 4234549, 8469098, 21172745, 42345490]

約数ペア:

[(1, 42345490), (2, 21172745), (5, 8469098), (10, 4234549), (11, 3849590), (19, 2228710), (22, 1924795), (38, 1114355), (55, 769918), (95, 445742), (110, 384959), (190, 222871), (209, 202610), (418, 101305), (1045, 40522), (2090, 20261)]