25711120

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{577}}^1$

素因数の和:1147

約数の個数: 40

約数和(自身を含む): 59989464

約数和(自身を除く): 34278344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 577, 1114, 1154, 2228, 2308, 2785, 2885, 4456, 4616, 5570, 5770, 8912, 9232, 11140, 11540, 22280, 23080, 44560, 46160, 321389, 642778, 1285556, 1606945, 2571112, 3213890, 5142224, 6427780, 12855560, 25711120]

約数ペア:

[(1, 25711120), (2, 12855560), (4, 6427780), (5, 5142224), (8, 3213890), (10, 2571112), (16, 1606945), (20, 1285556), (40, 642778), (80, 321389), (557, 46160), (577, 44560), (1114, 23080), (1154, 22280), (2228, 11540), (2308, 11140), (2785, 9232), (2885, 8912), (4456, 5770), (4616, 5570)]