2565560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2069}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 5961600

約数和(自身を除く): 3396040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2069, 4138, 8276, 10345, 16552, 20690, 41380, 64139, 82760, 128278, 256556, 320695, 513112, 641390, 1282780, 2565560]

約数ペア:

[(1, 2565560), (2, 1282780), (4, 641390), (5, 513112), (8, 320695), (10, 256556), (20, 128278), (31, 82760), (40, 64139), (62, 41380), (124, 20690), (155, 16552), (248, 10345), (310, 8276), (620, 4138), (1240, 2069)]