17117920

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1289}}^1$

素因数の和:1387

約数の個数: 48

約数和(自身を含む): 40960080

約数和(自身を除く): 23842160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1289, 1328, 1660, 2578, 2656, 3320, 5156, 6445, 6640, 10312, 12890, 13280, 20624, 25780, 41248, 51560, 103120, 106987, 206240, 213974, 427948, 534935, 855896, 1069870, 1711792, 2139740, 3423584, 4279480, 8558960, 17117920]

約数ペア:

[(1, 17117920), (2, 8558960), (4, 4279480), (5, 3423584), (8, 2139740), (10, 1711792), (16, 1069870), (20, 855896), (32, 534935), (40, 427948), (80, 213974), (83, 206240), (160, 106987), (166, 103120), (332, 51560), (415, 41248), (664, 25780), (830, 20624), (1289, 13280), (1328, 12890), (1660, 10312), (2578, 6640), (2656, 6445), (3320, 5156)]