161434120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{56843}}^1$

素因数の和:56925

約数の個数: 32

約数和(自身を含む): 368349120

約数和(自身を除く): 206915000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 56843, 113686, 227372, 284215, 454744, 568430, 1136860, 2273720, 4035853, 8071706, 16143412, 20179265, 32286824, 40358530, 80717060, 161434120]

約数ペア:

[(1, 161434120), (2, 80717060), (4, 40358530), (5, 32286824), (8, 20179265), (10, 16143412), (20, 8071706), (40, 4035853), (71, 2273720), (142, 1136860), (284, 568430), (355, 454744), (568, 284215), (710, 227372), (1420, 113686), (2840, 56843)]