74290840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142867}}^1$

素因数の和:142891

約数の個数: 32

約数和(自身を含む): 180013680

約数和(自身を除く): 105722840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 142867, 285734, 571468, 714335, 1142936, 1428670, 1857271, 2857340, 3714542, 5714680, 7429084, 9286355, 14858168, 18572710, 37145420, 74290840]

約数ペア:

[(1, 74290840), (2, 37145420), (4, 18572710), (5, 14858168), (8, 9286355), (10, 7429084), (13, 5714680), (20, 3714542), (26, 2857340), (40, 1857271), (52, 1428670), (65, 1142936), (104, 714335), (130, 571468), (260, 285734), (520, 142867)]