22921060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 49593600

約数和(自身を除く): 26672540

約数列:

[1, 2, 4, 5, 10, 20, 79, 89, 158, 163, 178, 316, 326, 356, 395, 445, 652, 790, 815, 890, 1580, 1630, 1780, 3260, 7031, 12877, 14062, 14507, 25754, 28124, 29014, 35155, 51508, 58028, 64385, 70310, 72535, 128770, 140620, 145070, 257540, 290140, 1146053, 2292106, 4584212, 5730265, 11460530, 22921060]

約数ペア:

[(1, 22921060), (2, 11460530), (4, 5730265), (5, 4584212), (10, 2292106), (20, 1146053), (79, 290140), (89, 257540), (158, 145070), (163, 140620), (178, 128770), (316, 72535), (326, 70310), (356, 64385), (395, 58028), (445, 51508), (652, 35155), (790, 29014), (815, 28124), (890, 25754), (1580, 14507), (1630, 14062), (1780, 12877), (3260, 7031)]