4890320

素因数分解:

$2^4\times 5^1\times {\mathrm{61129}}^1$

素因数の和:61142

約数の個数: 20

約数和(自身を含む): 11370180

約数和(自身を除く): 6479860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 61129, 122258, 244516, 305645, 489032, 611290, 978064, 1222580, 2445160, 4890320]

約数ペア:

[(1, 4890320), (2, 2445160), (4, 1222580), (5, 978064), (8, 611290), (10, 489032), (16, 305645), (20, 244516), (40, 122258), (80, 61129)]