17900320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6581}}^1$

素因数の和:6613

約数の個数: 48

約数和(自身を含む): 44783928

約数和(自身を除く): 26883608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 6581, 13162, 26324, 32905, 52648, 65810, 105296, 111877, 131620, 210592, 223754, 263240, 447508, 526480, 559385, 895016, 1052960, 1118770, 1790032, 2237540, 3580064, 4475080, 8950160, 17900320]

約数ペア:

[(1, 17900320), (2, 8950160), (4, 4475080), (5, 3580064), (8, 2237540), (10, 1790032), (16, 1118770), (17, 1052960), (20, 895016), (32, 559385), (34, 526480), (40, 447508), (68, 263240), (80, 223754), (85, 210592), (136, 131620), (160, 111877), (170, 105296), (272, 65810), (340, 52648), (544, 32905), (680, 26324), (1360, 13162), (2720, 6581)]