31362680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21191}}^1$

素因数の和:21239

約数の個数: 32

約数和(自身を含む): 72476640

約数和(自身を除く): 41113960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 21191, 42382, 84764, 105955, 169528, 211910, 423820, 784067, 847640, 1568134, 3136268, 3920335, 6272536, 7840670, 15681340, 31362680]

約数ペア:

[(1, 31362680), (2, 15681340), (4, 7840670), (5, 6272536), (8, 3920335), (10, 3136268), (20, 1568134), (37, 847640), (40, 784067), (74, 423820), (148, 211910), (185, 169528), (296, 105955), (370, 84764), (740, 42382), (1480, 21191)]