25702900820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31345001}}^1$

素因数の和:31345051

約数の個数: 24

約数和(自身を含む): 55292583528

約数和(自身を除く): 29589682708

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31345001, 62690002, 125380004, 156725005, 313450010, 626900020, 1285145041, 2570290082, 5140580164, 6425725205, 12851450410, 25702900820]

約数ペア:

[(1, 25702900820), (2, 12851450410), (4, 6425725205), (5, 5140580164), (10, 2570290082), (20, 1285145041), (41, 626900020), (82, 313450010), (164, 156725005), (205, 125380004), (410, 62690002), (820, 31345001)]