40000880

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4673}}^1$

素因数の和:4793

約数の個数: 40

約数和(自身を含む): 93891312

約数和(自身を除く): 53890432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 4673, 8560, 9346, 18692, 23365, 37384, 46730, 74768, 93460, 186920, 373840, 500011, 1000022, 2000044, 2500055, 4000088, 5000110, 8000176, 10000220, 20000440, 40000880]

約数ペア:

[(1, 40000880), (2, 20000440), (4, 10000220), (5, 8000176), (8, 5000110), (10, 4000088), (16, 2500055), (20, 2000044), (40, 1000022), (80, 500011), (107, 373840), (214, 186920), (428, 93460), (535, 74768), (856, 46730), (1070, 37384), (1712, 23365), (2140, 18692), (4280, 9346), (4673, 8560)]