131300320

素因数分解:

$2^5\times 5^1\times {\mathrm{820627}}^1$

素因数の和:820642

約数の個数: 24

約数和(自身を含む): 310197384

約数和(自身を除く): 178897064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 820627, 1641254, 3282508, 4103135, 6565016, 8206270, 13130032, 16412540, 26260064, 32825080, 65650160, 131300320]

約数ペア:

[(1, 131300320), (2, 65650160), (4, 32825080), (5, 26260064), (8, 16412540), (10, 13130032), (16, 8206270), (20, 6565016), (32, 4103135), (40, 3282508), (80, 1641254), (160, 820627)]