4611980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2591}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 9797760

約数和(自身を除く): 5185780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2591, 5182, 10364, 12955, 25910, 51820, 230599, 461198, 922396, 1152995, 2305990, 4611980]

約数ペア:

[(1, 4611980), (2, 2305990), (4, 1152995), (5, 922396), (10, 461198), (20, 230599), (89, 51820), (178, 25910), (356, 12955), (445, 10364), (890, 5182), (1780, 2591)]