25126660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 57202992

約数和(自身を除く): 32076332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 401, 482, 802, 964, 1205, 1604, 2005, 2410, 3133, 4010, 4820, 5213, 6266, 8020, 10426, 12532, 15665, 20852, 26065, 31330, 52130, 62660, 96641, 104260, 193282, 386564, 483205, 966410, 1256333, 1932820, 2512666, 5025332, 6281665, 12563330, 25126660]

約数ペア:

[(1, 25126660), (2, 12563330), (4, 6281665), (5, 5025332), (10, 2512666), (13, 1932820), (20, 1256333), (26, 966410), (52, 483205), (65, 386564), (130, 193282), (241, 104260), (260, 96641), (401, 62660), (482, 52130), (802, 31330), (964, 26065), (1205, 20852), (1604, 15665), (2005, 12532), (2410, 10426), (3133, 8020), (4010, 6266), (4820, 5213)]