321701080

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{10091}}^1$

素因数の和:10899

約数の個数: 32

約数和(自身を含む): 724807440

約数和(自身を除く): 403106360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 3188, 3985, 6376, 7970, 10091, 15940, 20182, 31880, 40364, 50455, 80728, 100910, 201820, 403640, 8042527, 16085054, 32170108, 40212635, 64340216, 80425270, 160850540, 321701080]

約数ペア:

[(1, 321701080), (2, 160850540), (4, 80425270), (5, 64340216), (8, 40212635), (10, 32170108), (20, 16085054), (40, 8042527), (797, 403640), (1594, 201820), (3188, 100910), (3985, 80728), (6376, 50455), (7970, 40364), (10091, 31880), (15940, 20182)]