648473748280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{103260151}}^1$

素因数の和:103260319

約数の個数: 32

約数和(自身を含む): 1468359361440

約数和(自身を除く): 819885613160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 103260151, 206520302, 413040604, 516300755, 826081208, 1032601510, 2065203020, 4130406040, 16211843707, 32423687414, 64847374828, 81059218535, 129694749656, 162118437070, 324236874140, 648473748280]

約数ペア:

[(1, 648473748280), (2, 324236874140), (4, 162118437070), (5, 129694749656), (8, 81059218535), (10, 64847374828), (20, 32423687414), (40, 16211843707), (157, 4130406040), (314, 2065203020), (628, 1032601510), (785, 826081208), (1256, 516300755), (1570, 413040604), (3140, 206520302), (6280, 103260151)]