66261260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8221}}^1$

素因数の和:8274

約数の個数: 48

約数和(自身を含む): 154705152

約数和(自身を除く): 88443892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 8221, 16442, 32884, 41105, 82210, 106873, 164420, 213746, 254851, 427492, 509702, 534365, 1019404, 1068730, 1274255, 2137460, 2548510, 3313063, 5097020, 6626126, 13252252, 16565315, 33130630, 66261260]

約数ペア:

[(1, 66261260), (2, 33130630), (4, 16565315), (5, 13252252), (10, 6626126), (13, 5097020), (20, 3313063), (26, 2548510), (31, 2137460), (52, 1274255), (62, 1068730), (65, 1019404), (124, 534365), (130, 509702), (155, 427492), (260, 254851), (310, 213746), (403, 164420), (620, 106873), (806, 82210), (1612, 41105), (2015, 32884), (4030, 16442), (8060, 8221)]