133890320

素因数分解:

$2^4\times 5^1\times {\mathrm{1673629}}^1$

素因数の和:1673642

約数の個数: 20

約数和(自身を含む): 311295180

約数和(自身を除く): 177404860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1673629, 3347258, 6694516, 8368145, 13389032, 16736290, 26778064, 33472580, 66945160, 133890320]

約数ペア:

[(1, 133890320), (2, 66945160), (4, 33472580), (5, 26778064), (8, 16736290), (10, 13389032), (16, 8368145), (20, 6694516), (40, 3347258), (80, 1673629)]