225752080

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25889}}^1$

素因数の和:26011

約数の個数: 40

約数和(自身を含む): 529709400

約数和(自身を除く): 303957320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 25889, 51778, 103556, 129445, 207112, 258890, 414224, 517780, 1035560, 2071120, 2821901, 5643802, 11287604, 14109505, 22575208, 28219010, 45150416, 56438020, 112876040, 225752080]

約数ペア:

[(1, 225752080), (2, 112876040), (4, 56438020), (5, 45150416), (8, 28219010), (10, 22575208), (16, 14109505), (20, 11287604), (40, 5643802), (80, 2821901), (109, 2071120), (218, 1035560), (436, 517780), (545, 414224), (872, 258890), (1090, 207112), (1744, 129445), (2180, 103556), (4360, 51778), (8720, 25889)]