20603200

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 84

約数和(自身を含む): 51653440

約数和(自身を除く): 31050240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 163, 200, 316, 320, 326, 395, 400, 632, 652, 790, 800, 815, 1264, 1304, 1580, 1600, 1630, 1975, 2528, 2608, 3160, 3260, 3950, 4075, 5056, 5216, 6320, 6520, 7900, 8150, 10432, 12640, 12877, 13040, 15800, 16300, 25280, 25754, 26080, 31600, 32600, 51508, 52160, 63200, 64385, 65200, 103016, 126400, 128770, 130400, 206032, 257540, 260800, 321925, 412064, 515080, 643850, 824128, 1030160, 1287700, 2060320, 2575400, 4120640, 5150800, 10301600, 20603200]

約数ペア:

[(1, 20603200), (2, 10301600), (4, 5150800), (5, 4120640), (8, 2575400), (10, 2060320), (16, 1287700), (20, 1030160), (25, 824128), (32, 643850), (40, 515080), (50, 412064), (64, 321925), (79, 260800), (80, 257540), (100, 206032), (158, 130400), (160, 128770), (163, 126400), (200, 103016), (316, 65200), (320, 64385), (326, 63200), (395, 52160), (400, 51508), (632, 32600), (652, 31600), (790, 26080), (800, 25754), (815, 25280), (1264, 16300), (1304, 15800), (1580, 13040), (1600, 12877), (1630, 12640), (1975, 10432), (2528, 8150), (2608, 7900), (3160, 6520), (3260, 6320), (3950, 5216), (4075, 5056)]