31222750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{739}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 63376560

約数和(自身を除く): 32153810

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 650, 739, 845, 1478, 1625, 1690, 3250, 3695, 4225, 7390, 8450, 9607, 18475, 19214, 21125, 36950, 42250, 48035, 92375, 96070, 124891, 184750, 240175, 249782, 480350, 624455, 1200875, 1248910, 2401750, 3122275, 6244550, 15611375, 31222750]

約数ペア:

[(1, 31222750), (2, 15611375), (5, 6244550), (10, 3122275), (13, 2401750), (25, 1248910), (26, 1200875), (50, 624455), (65, 480350), (125, 249782), (130, 240175), (169, 184750), (250, 124891), (325, 96070), (338, 92375), (650, 48035), (739, 42250), (845, 36950), (1478, 21125), (1625, 19214), (1690, 18475), (3250, 9607), (3695, 8450), (4225, 7390)]