25898720

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1031}}^1$

素因数の和:1203

約数の個数: 48

約数和(自身を含む): 61635168

約数和(自身を除く): 35736448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1031, 1256, 1570, 2062, 2512, 3140, 4124, 5024, 5155, 6280, 8248, 10310, 12560, 16496, 20620, 25120, 32992, 41240, 82480, 161867, 164960, 323734, 647468, 809335, 1294936, 1618670, 2589872, 3237340, 5179744, 6474680, 12949360, 25898720]

約数ペア:

[(1, 25898720), (2, 12949360), (4, 6474680), (5, 5179744), (8, 3237340), (10, 2589872), (16, 1618670), (20, 1294936), (32, 809335), (40, 647468), (80, 323734), (157, 164960), (160, 161867), (314, 82480), (628, 41240), (785, 32992), (1031, 25120), (1256, 20620), (1570, 16496), (2062, 12560), (2512, 10310), (3140, 8248), (4124, 6280), (5024, 5155)]