1625405020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{154213}}^1$

素因数の和:154270

約数の個数: 48

約数和(自身を含む): 3730745088

約数和(自身を除く): 2105340068

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 154213, 308426, 616852, 771065, 1542130, 2621621, 3084260, 4780603, 5243242, 9561206, 10486484, 13108105, 19122412, 23903015, 26216210, 47806030, 52432420, 81270251, 95612060, 162540502, 325081004, 406351255, 812702510, 1625405020]

約数ペア:

[(1, 1625405020), (2, 812702510), (4, 406351255), (5, 325081004), (10, 162540502), (17, 95612060), (20, 81270251), (31, 52432420), (34, 47806030), (62, 26216210), (68, 23903015), (85, 19122412), (124, 13108105), (155, 10486484), (170, 9561206), (310, 5243242), (340, 4780603), (527, 3084260), (620, 2621621), (1054, 1542130), (2108, 771065), (2635, 616852), (5270, 308426), (10540, 154213)]