25150540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 55298880

約数和(自身を除く): 30148340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 290, 412, 421, 515, 580, 842, 1030, 1684, 2060, 2105, 2987, 4210, 5974, 8420, 11948, 12209, 14935, 24418, 29870, 43363, 48836, 59740, 61045, 86726, 122090, 173452, 216815, 244180, 433630, 867260, 1257527, 2515054, 5030108, 6287635, 12575270, 25150540]

約数ペア:

[(1, 25150540), (2, 12575270), (4, 6287635), (5, 5030108), (10, 2515054), (20, 1257527), (29, 867260), (58, 433630), (103, 244180), (116, 216815), (145, 173452), (206, 122090), (290, 86726), (412, 61045), (421, 59740), (515, 48836), (580, 43363), (842, 29870), (1030, 24418), (1684, 14935), (2060, 12209), (2105, 11948), (2987, 8420), (4210, 5974)]