204022960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 490254336

約数和(自身を除く): 286231376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 127, 172, 215, 254, 344, 430, 467, 508, 635, 688, 860, 934, 1016, 1270, 1720, 1868, 2032, 2335, 2540, 3440, 3736, 4670, 5080, 5461, 7472, 9340, 10160, 10922, 18680, 20081, 21844, 27305, 37360, 40162, 43688, 54610, 59309, 80324, 87376, 100405, 109220, 118618, 160648, 200810, 218440, 237236, 296545, 321296, 401620, 436880, 474472, 593090, 803240, 948944, 1186180, 1606480, 2372360, 2550287, 4744720, 5100574, 10201148, 12751435, 20402296, 25502870, 40804592, 51005740, 102011480, 204022960]

約数ペア:

[(1, 204022960), (2, 102011480), (4, 51005740), (5, 40804592), (8, 25502870), (10, 20402296), (16, 12751435), (20, 10201148), (40, 5100574), (43, 4744720), (80, 2550287), (86, 2372360), (127, 1606480), (172, 1186180), (215, 948944), (254, 803240), (344, 593090), (430, 474472), (467, 436880), (508, 401620), (635, 321296), (688, 296545), (860, 237236), (934, 218440), (1016, 200810), (1270, 160648), (1720, 118618), (1868, 109220), (2032, 100405), (2335, 87376), (2540, 80324), (3440, 59309), (3736, 54610), (4670, 43688), (5080, 40162), (5461, 37360), (7472, 27305), (9340, 21844), (10160, 20081), (10922, 18680)]