42387440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12923}}^1$

素因数の和:12977

約数の個数: 40

約数和(自身を含む): 100962288

約数和(自身を除く): 58574848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 12923, 25846, 51692, 64615, 103384, 129230, 206768, 258460, 516920, 529843, 1033840, 1059686, 2119372, 2649215, 4238744, 5298430, 8477488, 10596860, 21193720, 42387440]

約数ペア:

[(1, 42387440), (2, 21193720), (4, 10596860), (5, 8477488), (8, 5298430), (10, 4238744), (16, 2649215), (20, 2119372), (40, 1059686), (41, 1033840), (80, 529843), (82, 516920), (164, 258460), (205, 206768), (328, 129230), (410, 103384), (656, 64615), (820, 51692), (1640, 25846), (3280, 12923)]