12798040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10321}}^1$

素因数の和:10363

約数の個数: 32

約数和(自身を含む): 29727360

約数和(自身を除く): 16929320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10321, 20642, 41284, 51605, 82568, 103210, 206420, 319951, 412840, 639902, 1279804, 1599755, 2559608, 3199510, 6399020, 12798040]

約数ペア:

[(1, 12798040), (2, 6399020), (4, 3199510), (5, 2559608), (8, 1599755), (10, 1279804), (20, 639902), (31, 412840), (40, 319951), (62, 206420), (124, 103210), (155, 82568), (248, 51605), (310, 41284), (620, 20642), (1240, 10321)]