25617080

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3929}}^1$

素因数の和:4103

約数の個数: 32

約数和(自身を含む): 58006800

約数和(自身を除く): 32389720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 3929, 6520, 7858, 15716, 19645, 31432, 39290, 78580, 157160, 640427, 1280854, 2561708, 3202135, 5123416, 6404270, 12808540, 25617080]

約数ペア:

[(1, 25617080), (2, 12808540), (4, 6404270), (5, 5123416), (8, 3202135), (10, 2561708), (20, 1280854), (40, 640427), (163, 157160), (326, 78580), (652, 39290), (815, 31432), (1304, 19645), (1630, 15716), (3260, 7858), (3929, 6520)]