42394120

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5023}}^1$

素因数の和:5245

約数の個数: 32

約数和(自身を含む): 95857920

約数和(自身を除く): 53463800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 5023, 8440, 10046, 20092, 25115, 40184, 50230, 100460, 200920, 1059853, 2119706, 4239412, 5299265, 8478824, 10598530, 21197060, 42394120]

約数ペア:

[(1, 42394120), (2, 21197060), (4, 10598530), (5, 8478824), (8, 5299265), (10, 4239412), (20, 2119706), (40, 1059853), (211, 200920), (422, 100460), (844, 50230), (1055, 40184), (1688, 25115), (2110, 20092), (4220, 10046), (5023, 8440)]