1986920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3821}}^1$

素因数の和:3845

約数の個数: 32

約数和(自身を含む): 4815720

約数和(自身を除く): 2828800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3821, 7642, 15284, 19105, 30568, 38210, 49673, 76420, 99346, 152840, 198692, 248365, 397384, 496730, 993460, 1986920]

約数ペア:

[(1, 1986920), (2, 993460), (4, 496730), (5, 397384), (8, 248365), (10, 198692), (13, 152840), (20, 99346), (26, 76420), (40, 49673), (52, 38210), (65, 30568), (104, 19105), (130, 15284), (260, 7642), (520, 3821)]