25896520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49801}}^1$

素因数の和:49825

約数の個数: 32

約数和(自身を含む): 62750520

約数和(自身を除く): 36854000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 49801, 99602, 199204, 249005, 398408, 498010, 647413, 996020, 1294826, 1992040, 2589652, 3237065, 5179304, 6474130, 12948260, 25896520]

約数ペア:

[(1, 25896520), (2, 12948260), (4, 6474130), (5, 5179304), (8, 3237065), (10, 2589652), (13, 1992040), (20, 1294826), (26, 996020), (40, 647413), (52, 498010), (65, 398408), (104, 249005), (130, 199204), (260, 99602), (520, 49801)]