28343271640

素因数分解:

$2^3\times 5^1\times {\mathrm{5323}}^1\times {\mathrm{133117}}^1$

素因数の和:138451

約数の個数: 32

約数和(自身を含む): 63784820880

約数和(自身を除く): 35441549240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5323, 10646, 21292, 26615, 42584, 53230, 106460, 133117, 212920, 266234, 532468, 665585, 1064936, 1331170, 2662340, 5324680, 708581791, 1417163582, 2834327164, 3542908955, 5668654328, 7085817910, 14171635820, 28343271640]

約数ペア:

[(1, 28343271640), (2, 14171635820), (4, 7085817910), (5, 5668654328), (8, 3542908955), (10, 2834327164), (20, 1417163582), (40, 708581791), (5323, 5324680), (10646, 2662340), (21292, 1331170), (26615, 1064936), (42584, 665585), (53230, 532468), (106460, 266234), (133117, 212920)]