72846920

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4111}}^1$

素因数の和:4565

約数の個数: 32

約数和(自身を含む): 164315520

約数和(自身を除く): 91468600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4111, 4430, 8222, 8860, 16444, 17720, 20555, 32888, 41110, 82220, 164440, 1821173, 3642346, 7284692, 9105865, 14569384, 18211730, 36423460, 72846920]

約数ペア:

[(1, 72846920), (2, 36423460), (4, 18211730), (5, 14569384), (8, 9105865), (10, 7284692), (20, 3642346), (40, 1821173), (443, 164440), (886, 82220), (1772, 41110), (2215, 32888), (3544, 20555), (4111, 17720), (4430, 16444), (8222, 8860)]