28374680

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1693}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 64033200

約数和(自身を除く): 35658520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 1693, 2095, 3352, 3386, 4190, 6772, 8380, 8465, 13544, 16760, 16930, 33860, 67720, 709367, 1418734, 2837468, 3546835, 5674936, 7093670, 14187340, 28374680]

約数ペア:

[(1, 28374680), (2, 14187340), (4, 7093670), (5, 5674936), (8, 3546835), (10, 2837468), (20, 1418734), (40, 709367), (419, 67720), (838, 33860), (1676, 16930), (1693, 16760), (2095, 13544), (3352, 8465), (3386, 8380), (4190, 6772)]