2020309625

素因数分解:

$5^3\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{1619}}^1$

素因数の和:1850

約数の個数: 32

約数和(自身を含む): 2577744000

約数和(自身を除く): 557434375

約数列:

[1, 5, 25, 67, 125, 149, 335, 745, 1619, 1675, 3725, 8095, 8375, 9983, 18625, 40475, 49915, 108473, 202375, 241231, 249575, 542365, 1206155, 1247875, 2711825, 6030775, 13559125, 16162477, 30153875, 80812385, 404061925, 2020309625]

約数ペア:

[(1, 2020309625), (5, 404061925), (25, 80812385), (67, 30153875), (125, 16162477), (149, 13559125), (335, 6030775), (745, 2711825), (1619, 1247875), (1675, 1206155), (3725, 542365), (8095, 249575), (8375, 241231), (9983, 202375), (18625, 108473), (40475, 49915)]