42943640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15121}}^1$

素因数の和:15203

約数の個数: 32

約数和(自身を含む): 97990560

約数和(自身を除く): 55046920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 15121, 30242, 60484, 75605, 120968, 151210, 302420, 604840, 1073591, 2147182, 4294364, 5367955, 8588728, 10735910, 21471820, 42943640]

約数ペア:

[(1, 42943640), (2, 21471820), (4, 10735910), (5, 8588728), (8, 5367955), (10, 4294364), (20, 2147182), (40, 1073591), (71, 604840), (142, 302420), (284, 151210), (355, 120968), (568, 75605), (710, 60484), (1420, 30242), (2840, 15121)]