42905560

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3449}}^1$

素因数の和:3771

約数の個数: 32

約数和(自身を含む): 96876000

約数和(自身を除く): 53970440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 3449, 6220, 6898, 12440, 13796, 17245, 27592, 34490, 68980, 137960, 1072639, 2145278, 4290556, 5363195, 8581112, 10726390, 21452780, 42905560]

約数ペア:

[(1, 42905560), (2, 21452780), (4, 10726390), (5, 8581112), (8, 5363195), (10, 4290556), (20, 2145278), (40, 1072639), (311, 137960), (622, 68980), (1244, 34490), (1555, 27592), (2488, 17245), (3110, 13796), (3449, 12440), (6220, 6898)]