204675280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{62401}}^1$

素因数の和:62455

約数の個数: 40

約数和(自身を含む): 487484424

約数和(自身を除く): 282809144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 62401, 124802, 249604, 312005, 499208, 624010, 998416, 1248020, 2496040, 2558441, 4992080, 5116882, 10233764, 12792205, 20467528, 25584410, 40935056, 51168820, 102337640, 204675280]

約数ペア:

[(1, 204675280), (2, 102337640), (4, 51168820), (5, 40935056), (8, 25584410), (10, 20467528), (16, 12792205), (20, 10233764), (40, 5116882), (41, 4992080), (80, 2558441), (82, 2496040), (164, 1248020), (205, 998416), (328, 624010), (410, 499208), (656, 312005), (820, 249604), (1640, 124802), (3280, 62401)]