42171760

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5923}}^1$

素因数の和:6025

約数の個数: 40

約数和(自身を含む): 99167760

約数和(自身を除く): 56996000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 5923, 7120, 11846, 23692, 29615, 47384, 59230, 94768, 118460, 236920, 473840, 527147, 1054294, 2108588, 2635735, 4217176, 5271470, 8434352, 10542940, 21085880, 42171760]

約数ペア:

[(1, 42171760), (2, 21085880), (4, 10542940), (5, 8434352), (8, 5271470), (10, 4217176), (16, 2635735), (20, 2108588), (40, 1054294), (80, 527147), (89, 473840), (178, 236920), (356, 118460), (445, 94768), (712, 59230), (890, 47384), (1424, 29615), (1780, 23692), (3560, 11846), (5923, 7120)]