31746520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61051}}^1$

素因数の和:61075

約数の個数: 32

約数和(自身を含む): 76925520

約数和(自身を除く): 45179000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 61051, 122102, 244204, 305255, 488408, 610510, 793663, 1221020, 1587326, 2442040, 3174652, 3968315, 6349304, 7936630, 15873260, 31746520]

約数ペア:

[(1, 31746520), (2, 15873260), (4, 7936630), (5, 6349304), (8, 3968315), (10, 3174652), (13, 2442040), (20, 1587326), (26, 1221020), (40, 793663), (52, 610510), (65, 488408), (104, 305255), (130, 244204), (260, 122102), (520, 61051)]