25638736

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{51691}}^1$

素因数の和:51730

約数の個数: 20

約数和(自身を含む): 51278464

約数和(自身を除く): 25639728

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 51691, 103382, 206764, 413528, 827056, 1602421, 3204842, 6409684, 12819368, 25638736]

約数ペア:

[(1, 25638736), (2, 12819368), (4, 6409684), (8, 3204842), (16, 1602421), (31, 827056), (62, 413528), (124, 206764), (248, 103382), (496, 51691)]