80356208

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{15173}}^1$

素因数の和:15512

約数の個数: 20

約数和(自身を含む): 156170808

約数和(自身を除く): 75814600

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 15173, 30346, 60692, 121384, 242768, 5022263, 10044526, 20089052, 40178104, 80356208]

約数ペア:

[(1, 80356208), (2, 40178104), (4, 20089052), (8, 10044526), (16, 5022263), (331, 242768), (662, 121384), (1324, 60692), (2648, 30346), (5296, 15173)]