31391750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{743}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 63719136

約数和(自身を除く): 32327386

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 650, 743, 845, 1486, 1625, 1690, 3250, 3715, 4225, 7430, 8450, 9659, 18575, 19318, 21125, 37150, 42250, 48295, 92875, 96590, 125567, 185750, 241475, 251134, 482950, 627835, 1207375, 1255670, 2414750, 3139175, 6278350, 15695875, 31391750]

約数ペア:

[(1, 31391750), (2, 15695875), (5, 6278350), (10, 3139175), (13, 2414750), (25, 1255670), (26, 1207375), (50, 627835), (65, 482950), (125, 251134), (130, 241475), (169, 185750), (250, 125567), (325, 96590), (338, 92875), (650, 48295), (743, 42250), (845, 37150), (1486, 21125), (1625, 19318), (1690, 18575), (3250, 9659), (3715, 8450), (4225, 7430)]