80085040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1723}}^1$

素因数の和:1826

約数の個数: 80

約数和(自身を含む): 215486208

約数和(自身を除く): 135401168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 560, 581, 664, 830, 1162, 1328, 1660, 1723, 2324, 2905, 3320, 3446, 4648, 5810, 6640, 6892, 8615, 9296, 11620, 12061, 13784, 17230, 23240, 24122, 27568, 34460, 46480, 48244, 60305, 68920, 96488, 120610, 137840, 143009, 192976, 241220, 286018, 482440, 572036, 715045, 964880, 1001063, 1144072, 1430090, 2002126, 2288144, 2860180, 4004252, 5005315, 5720360, 8008504, 10010630, 11440720, 16017008, 20021260, 40042520, 80085040]

約数ペア:

[(1, 80085040), (2, 40042520), (4, 20021260), (5, 16017008), (7, 11440720), (8, 10010630), (10, 8008504), (14, 5720360), (16, 5005315), (20, 4004252), (28, 2860180), (35, 2288144), (40, 2002126), (56, 1430090), (70, 1144072), (80, 1001063), (83, 964880), (112, 715045), (140, 572036), (166, 482440), (280, 286018), (332, 241220), (415, 192976), (560, 143009), (581, 137840), (664, 120610), (830, 96488), (1162, 68920), (1328, 60305), (1660, 48244), (1723, 46480), (2324, 34460), (2905, 27568), (3320, 24122), (3446, 23240), (4648, 17230), (5810, 13784), (6640, 12061), (6892, 11620), (8615, 9296)]