20147888080

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{751}}^1\times {\mathrm{757}}^1$

素因数の和:1964

約数の個数: 80

約数和(自身を含む): 47074201344

約数和(自身を除く): 26926313264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 751, 757, 886, 1502, 1514, 1772, 2215, 3004, 3028, 3544, 3755, 3785, 4430, 6008, 6056, 7088, 7510, 7570, 8860, 12016, 12112, 15020, 15140, 17720, 30040, 30280, 35440, 60080, 60560, 332693, 335351, 568507, 665386, 670702, 1137014, 1330772, 1341404, 1663465, 1676755, 2274028, 2661544, 2682808, 2842535, 3326930, 3353510, 4548056, 5323088, 5365616, 5685070, 6653860, 6707020, 9096112, 11370140, 13307720, 13414040, 22740280, 26615440, 26828080, 45480560, 251848601, 503697202, 1007394404, 1259243005, 2014788808, 2518486010, 4029577616, 5036972020, 10073944040, 20147888080]

約数ペア:

[(1, 20147888080), (2, 10073944040), (4, 5036972020), (5, 4029577616), (8, 2518486010), (10, 2014788808), (16, 1259243005), (20, 1007394404), (40, 503697202), (80, 251848601), (443, 45480560), (751, 26828080), (757, 26615440), (886, 22740280), (1502, 13414040), (1514, 13307720), (1772, 11370140), (2215, 9096112), (3004, 6707020), (3028, 6653860), (3544, 5685070), (3755, 5365616), (3785, 5323088), (4430, 4548056), (6008, 3353510), (6056, 3326930), (7088, 2842535), (7510, 2682808), (7570, 2661544), (8860, 2274028), (12016, 1676755), (12112, 1663465), (15020, 1341404), (15140, 1330772), (17720, 1137014), (30040, 670702), (30280, 665386), (35440, 568507), (60080, 335351), (60560, 332693)]