210813580

素因数分解:

$2^2\times 5^1\times {\mathrm{2129}}^1\times {\mathrm{4951}}^1$

素因数の和:7089

約数の個数: 24

約数和(自身を含む): 443005920

約数和(自身を除く): 232192340

約数列:

[1, 2, 4, 5, 10, 20, 2129, 4258, 4951, 8516, 9902, 10645, 19804, 21290, 24755, 42580, 49510, 99020, 10540679, 21081358, 42162716, 52703395, 105406790, 210813580]

約数ペア:

[(1, 210813580), (2, 105406790), (4, 52703395), (5, 42162716), (10, 21081358), (20, 10540679), (2129, 99020), (4258, 49510), (4951, 42580), (8516, 24755), (9902, 21290), (10645, 19804)]