20100894640

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{567181}}^1$

素因数の和:567637

約数の個数: 40

約数和(自身を含む): 46840158288

約数和(自身を除く): 26739263648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 3544, 4430, 7088, 8860, 17720, 35440, 567181, 1134362, 2268724, 2835905, 4537448, 5671810, 9074896, 11343620, 22687240, 45374480, 251261183, 502522366, 1005044732, 1256305915, 2010089464, 2512611830, 4020178928, 5025223660, 10050447320, 20100894640]

約数ペア:

[(1, 20100894640), (2, 10050447320), (4, 5025223660), (5, 4020178928), (8, 2512611830), (10, 2010089464), (16, 1256305915), (20, 1005044732), (40, 502522366), (80, 251261183), (443, 45374480), (886, 22687240), (1772, 11343620), (2215, 9074896), (3544, 5671810), (4430, 4537448), (7088, 2835905), (8860, 2268724), (17720, 1134362), (35440, 567181)]