127595480

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{3943}}^1$

素因数の和:4763

約数の個数: 32

約数和(自身を含む): 287517600

約数和(自身を除く): 159922120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 3943, 4045, 6472, 7886, 8090, 15772, 16180, 19715, 31544, 32360, 39430, 78860, 157720, 3189887, 6379774, 12759548, 15949435, 25519096, 31898870, 63797740, 127595480]

約数ペア:

[(1, 127595480), (2, 63797740), (4, 31898870), (5, 25519096), (8, 15949435), (10, 12759548), (20, 6379774), (40, 3189887), (809, 157720), (1618, 78860), (3236, 39430), (3943, 32360), (4045, 31544), (6472, 19715), (7886, 16180), (8090, 15772)]