206491840

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5081}}^1$

素因数の和:5225

約数の個数: 56

約数和(自身を含む): 495677952

約数和(自身を除く): 289186112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 5081, 8128, 10160, 10162, 20320, 20324, 25405, 40640, 40648, 50810, 81296, 101620, 162592, 203240, 325184, 406480, 645287, 812960, 1290574, 1625920, 2581148, 3226435, 5162296, 6452870, 10324592, 12905740, 20649184, 25811480, 41298368, 51622960, 103245920, 206491840]

約数ペア:

[(1, 206491840), (2, 103245920), (4, 51622960), (5, 41298368), (8, 25811480), (10, 20649184), (16, 12905740), (20, 10324592), (32, 6452870), (40, 5162296), (64, 3226435), (80, 2581148), (127, 1625920), (160, 1290574), (254, 812960), (320, 645287), (508, 406480), (635, 325184), (1016, 203240), (1270, 162592), (2032, 101620), (2540, 81296), (4064, 50810), (5080, 40648), (5081, 40640), (8128, 25405), (10160, 20324), (10162, 20320)]