42553640

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2539}}^1$

素因数の和:2969

約数の個数: 32

約数和(自身を含む): 96012000

約数和(自身を除く): 53458360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 2539, 3352, 4190, 5078, 8380, 10156, 12695, 16760, 20312, 25390, 50780, 101560, 1063841, 2127682, 4255364, 5319205, 8510728, 10638410, 21276820, 42553640]

約数ペア:

[(1, 42553640), (2, 21276820), (4, 10638410), (5, 8510728), (8, 5319205), (10, 4255364), (20, 2127682), (40, 1063841), (419, 101560), (838, 50780), (1676, 25390), (2095, 20312), (2539, 16760), (3352, 12695), (4190, 10156), (5078, 8380)]