81076190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1787}}^1$

素因数の和:2156

約数の個数: 32

約数和(自身を含む): 157701600

約数和(自身を除く): 76625410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 349, 698, 1745, 1787, 3490, 3574, 4537, 8935, 9074, 17870, 22685, 23231, 45370, 46462, 116155, 232310, 623663, 1247326, 3118315, 6236630, 8107619, 16215238, 40538095, 81076190]

約数ペア:

[(1, 81076190), (2, 40538095), (5, 16215238), (10, 8107619), (13, 6236630), (26, 3118315), (65, 1247326), (130, 623663), (349, 232310), (698, 116155), (1745, 46462), (1787, 45370), (3490, 23231), (3574, 22685), (4537, 17870), (8935, 9074)]