200013640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1129}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 465379200

約数和(自身を除く): 265365560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 103, 172, 206, 215, 344, 412, 430, 515, 824, 860, 1030, 1129, 1720, 2060, 2258, 4120, 4429, 4516, 5645, 8858, 9032, 11290, 17716, 22145, 22580, 35432, 44290, 45160, 48547, 88580, 97094, 116287, 177160, 194188, 232574, 242735, 388376, 465148, 485470, 581435, 930296, 970940, 1162870, 1941880, 2325740, 4651480, 5000341, 10000682, 20001364, 25001705, 40002728, 50003410, 100006820, 200013640]

約数ペア:

[(1, 200013640), (2, 100006820), (4, 50003410), (5, 40002728), (8, 25001705), (10, 20001364), (20, 10000682), (40, 5000341), (43, 4651480), (86, 2325740), (103, 1941880), (172, 1162870), (206, 970940), (215, 930296), (344, 581435), (412, 485470), (430, 465148), (515, 388376), (824, 242735), (860, 232574), (1030, 194188), (1129, 177160), (1720, 116287), (2060, 97094), (2258, 88580), (4120, 48547), (4429, 45160), (4516, 44290), (5645, 35432), (8858, 22580), (9032, 22145), (11290, 17716)]