42192440

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2579}}^1$

素因数の和:2999

約数の個数: 32

約数和(自身を含む): 95202000

約数和(自身を除く): 53009560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 2579, 3272, 4090, 5158, 8180, 10316, 12895, 16360, 20632, 25790, 51580, 103160, 1054811, 2109622, 4219244, 5274055, 8438488, 10548110, 21096220, 42192440]

約数ペア:

[(1, 42192440), (2, 21096220), (4, 10548110), (5, 8438488), (8, 5274055), (10, 4219244), (20, 2109622), (40, 1054811), (409, 103160), (818, 51580), (1636, 25790), (2045, 20632), (2579, 16360), (3272, 12895), (4090, 10316), (5158, 8180)]