8223640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2477}}^1$

素因数の和:2571

約数の個数: 32

約数和(自身を含む): 18733680

約数和(自身を除く): 10510040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 2477, 3320, 4954, 9908, 12385, 19816, 24770, 49540, 99080, 205591, 411182, 822364, 1027955, 1644728, 2055910, 4111820, 8223640]

約数ペア:

[(1, 8223640), (2, 4111820), (4, 2055910), (5, 1644728), (8, 1027955), (10, 822364), (20, 411182), (40, 205591), (83, 99080), (166, 49540), (332, 24770), (415, 19816), (664, 12385), (830, 9908), (1660, 4954), (2477, 3320)]