25508420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{26029}}^1$

素因数の和:26052

約数の個数: 36

約数和(自身を含む): 62315820

約数和(自身を除く): 36807400

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 26029, 52058, 104116, 130145, 182203, 260290, 364406, 520580, 728812, 911015, 1275421, 1822030, 2550842, 3644060, 5101684, 6377105, 12754210, 25508420]

約数ペア:

[(1, 25508420), (2, 12754210), (4, 6377105), (5, 5101684), (7, 3644060), (10, 2550842), (14, 1822030), (20, 1275421), (28, 911015), (35, 728812), (49, 520580), (70, 364406), (98, 260290), (140, 182203), (196, 130145), (245, 104116), (490, 52058), (980, 26029)]