2653291220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1\times {\mathrm{5981}}^1$

素因数の和:6572

約数の個数: 48

約数和(自身を含む): 5719318416

約数和(自身を除く): 3066027196

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 541, 820, 1082, 2164, 2705, 5410, 5981, 10820, 11962, 22181, 23924, 29905, 44362, 59810, 88724, 110905, 119620, 221810, 245221, 443620, 490442, 980884, 1226105, 2452210, 3235721, 4904420, 6471442, 12942884, 16178605, 32357210, 64714420, 132664561, 265329122, 530658244, 663322805, 1326645610, 2653291220]

約数ペア:

[(1, 2653291220), (2, 1326645610), (4, 663322805), (5, 530658244), (10, 265329122), (20, 132664561), (41, 64714420), (82, 32357210), (164, 16178605), (205, 12942884), (410, 6471442), (541, 4904420), (820, 3235721), (1082, 2452210), (2164, 1226105), (2705, 980884), (5410, 490442), (5981, 443620), (10820, 245221), (11962, 221810), (22181, 119620), (23924, 110905), (29905, 88724), (44362, 59810)]