25420348840

素因数分解:

$2^3\times 5^1\times {\mathrm{635508721}}^1$

素因数の和:635508732

約数の個数: 16

約数和(自身を含む): 57195784980

約数和(自身を除く): 31775436140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 635508721, 1271017442, 2542034884, 3177543605, 5084069768, 6355087210, 12710174420, 25420348840]

約数ペア:

[(1, 25420348840), (2, 12710174420), (4, 6355087210), (5, 5084069768), (8, 3177543605), (10, 2542034884), (20, 1271017442), (40, 635508721)]