17723480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 41640480

約数和(自身を除く): 23917000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 107, 164, 202, 205, 214, 328, 404, 410, 428, 505, 535, 808, 820, 856, 1010, 1070, 1640, 2020, 2140, 4040, 4141, 4280, 4387, 8282, 8774, 10807, 16564, 17548, 20705, 21614, 21935, 33128, 35096, 41410, 43228, 43870, 54035, 82820, 86456, 87740, 108070, 165640, 175480, 216140, 432280, 443087, 886174, 1772348, 2215435, 3544696, 4430870, 8861740, 17723480]

約数ペア:

[(1, 17723480), (2, 8861740), (4, 4430870), (5, 3544696), (8, 2215435), (10, 1772348), (20, 886174), (40, 443087), (41, 432280), (82, 216140), (101, 175480), (107, 165640), (164, 108070), (202, 87740), (205, 86456), (214, 82820), (328, 54035), (404, 43870), (410, 43228), (428, 41410), (505, 35096), (535, 33128), (808, 21935), (820, 21614), (856, 20705), (1010, 17548), (1070, 16564), (1640, 10807), (2020, 8774), (2140, 8282), (4040, 4387), (4141, 4280)]