3268840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 7464960

約数和(自身を除く): 4196120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1151, 1420, 2302, 2840, 4604, 5755, 9208, 11510, 23020, 46040, 81721, 163442, 326884, 408605, 653768, 817210, 1634420, 3268840]

約数ペア:

[(1, 3268840), (2, 1634420), (4, 817210), (5, 653768), (8, 408605), (10, 326884), (20, 163442), (40, 81721), (71, 46040), (142, 23020), (284, 11510), (355, 9208), (568, 5755), (710, 4604), (1151, 2840), (1420, 2302)]