2638420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4549}}^1$

素因数の和:4587

約数の個数: 24

約数和(自身を含む): 5733000

約数和(自身を除く): 3094580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 4549, 9098, 18196, 22745, 45490, 90980, 131921, 263842, 527684, 659605, 1319210, 2638420]

約数ペア:

[(1, 2638420), (2, 1319210), (4, 659605), (5, 527684), (10, 263842), (20, 131921), (29, 90980), (58, 45490), (116, 22745), (145, 18196), (290, 9098), (580, 4549)]