28200050

素因数分解:

$2^1\times 5^2\times {\mathrm{751}}^2$

素因数の和:1514

約数の個数: 18

約数和(自身を含む): 52522029

約数和(自身を除く): 24321979

約数列:

[1, 2, 5, 10, 25, 50, 751, 1502, 3755, 7510, 18775, 37550, 564001, 1128002, 2820005, 5640010, 14100025, 28200050]

約数ペア:

[(1, 28200050), (2, 14100025), (5, 5640010), (10, 2820005), (25, 1128002), (50, 564001), (751, 37550), (1502, 18775), (3755, 7510)]