80514680

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4483}}^1$

素因数の和:4943

約数の個数: 32

約数和(自身を含む): 181602000

約数和(自身を除く): 101087320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4483, 4490, 8966, 8980, 17932, 17960, 22415, 35864, 44830, 89660, 179320, 2012867, 4025734, 8051468, 10064335, 16102936, 20128670, 40257340, 80514680]

約数ペア:

[(1, 80514680), (2, 40257340), (4, 20128670), (5, 16102936), (8, 10064335), (10, 8051468), (20, 4025734), (40, 2012867), (449, 179320), (898, 89660), (1796, 44830), (2245, 35864), (3592, 22415), (4483, 17960), (4490, 17932), (8966, 8980)]