56480451980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{31730591}}^1$

素因数の和:31730689

約数の個数: 24

約数和(自身を含む): 119941637760

約数和(自身を除く): 63461185780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 31730591, 63461182, 126922364, 158652955, 317305910, 634611820, 2824022599, 5648045198, 11296090396, 14120112995, 28240225990, 56480451980]

約数ペア:

[(1, 56480451980), (2, 28240225990), (4, 14120112995), (5, 11296090396), (10, 5648045198), (20, 2824022599), (89, 634611820), (178, 317305910), (356, 158652955), (445, 126922364), (890, 63461182), (1780, 31730591)]