28873480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42461}}^1$

素因数の和:42489

約数の個数: 32

約数和(自身を含む): 68788440

約数和(自身を除く): 39914960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42461, 84922, 169844, 212305, 339688, 424610, 721837, 849220, 1443674, 1698440, 2887348, 3609185, 5774696, 7218370, 14436740, 28873480]

約数ペア:

[(1, 28873480), (2, 14436740), (4, 7218370), (5, 5774696), (8, 3609185), (10, 2887348), (17, 1698440), (20, 1443674), (34, 849220), (40, 721837), (68, 424610), (85, 339688), (136, 212305), (170, 169844), (340, 84922), (680, 42461)]