25318980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{15629}}^1$

素因数の和:15650

約数の個数: 60

約数和(自身を含む): 79431660

約数和(自身を除く): 54112680

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 15629, 31258, 46887, 62516, 78145, 93774, 140661, 156290, 187548, 234435, 281322, 312580, 421983, 468870, 562644, 703305, 843966, 937740, 1265949, 1406610, 1687932, 2109915, 2531898, 2813220, 4219830, 5063796, 6329745, 8439660, 12659490, 25318980]

約数ペア:

[(1, 25318980), (2, 12659490), (3, 8439660), (4, 6329745), (5, 5063796), (6, 4219830), (9, 2813220), (10, 2531898), (12, 2109915), (15, 1687932), (18, 1406610), (20, 1265949), (27, 937740), (30, 843966), (36, 703305), (45, 562644), (54, 468870), (60, 421983), (81, 312580), (90, 281322), (108, 234435), (135, 187548), (162, 156290), (180, 140661), (270, 93774), (324, 78145), (405, 62516), (540, 46887), (810, 31258), (1620, 15629)]