42546040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{211}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 97556040

約数和(自身を除く): 55010000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 211, 284, 355, 422, 568, 710, 844, 1055, 1420, 1688, 2110, 2840, 4220, 5041, 8440, 10082, 14981, 20164, 25205, 29962, 40328, 50410, 59924, 74905, 100820, 119848, 149810, 201640, 299620, 599240, 1063651, 2127302, 4254604, 5318255, 8509208, 10636510, 21273020, 42546040]

約数ペア:

[(1, 42546040), (2, 21273020), (4, 10636510), (5, 8509208), (8, 5318255), (10, 4254604), (20, 2127302), (40, 1063651), (71, 599240), (142, 299620), (211, 201640), (284, 149810), (355, 119848), (422, 100820), (568, 74905), (710, 59924), (844, 50410), (1055, 40328), (1420, 29962), (1688, 25205), (2110, 20164), (2840, 14981), (4220, 10082), (5041, 8440)]