40042520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1723}}^1$

素因数の和:1824

約数の個数: 64

約数和(自身を含む): 104267520

約数和(自身を除く): 64225000

約数列:

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

約数ペア:

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