28283080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 73664640

約数和(自身を除く): 45381560

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, 1217, 1660, 2324, 2434, 2905, 3320, 4648, 4868, 5810, 6085, 8519, 9736, 11620, 12170, 17038, 23240, 24340, 34076, 42595, 48680, 68152, 85190, 101011, 170380, 202022, 340760, 404044, 505055, 707077, 808088, 1010110, 1414154, 2020220, 2828308, 3535385, 4040440, 5656616, 7070770, 14141540, 28283080]

約数ペア:

[(1, 28283080), (2, 14141540), (4, 7070770), (5, 5656616), (7, 4040440), (8, 3535385), (10, 2828308), (14, 2020220), (20, 1414154), (28, 1010110), (35, 808088), (40, 707077), (56, 505055), (70, 404044), (83, 340760), (140, 202022), (166, 170380), (280, 101011), (332, 85190), (415, 68152), (581, 48680), (664, 42595), (830, 34076), (1162, 24340), (1217, 23240), (1660, 17038), (2324, 12170), (2434, 11620), (2905, 9736), (3320, 8519), (4648, 6085), (4868, 5810)]