25288540

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3623}}^1$

素因数の和:3981

約数の個数: 24

約数和(自身を含む): 53272800

約数和(自身を除く): 27984260

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 3623, 6980, 7246, 14492, 18115, 36230, 72460, 1264427, 2528854, 5057708, 6322135, 12644270, 25288540]

約数ペア:

[(1, 25288540), (2, 12644270), (4, 6322135), (5, 5057708), (10, 2528854), (20, 1264427), (349, 72460), (698, 36230), (1396, 18115), (1745, 14492), (3490, 7246), (3623, 6980)]