16897720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2081}}^1$

素因数の和:2128

約数の個数: 64

約数和(自身を含む): 44971200

約数和(自身を除く): 28073480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2081, 4060, 4162, 8120, 8324, 10405, 14567, 16648, 20810, 29134, 41620, 58268, 60349, 72835, 83240, 116536, 120698, 145670, 241396, 291340, 301745, 422443, 482792, 582680, 603490, 844886, 1206980, 1689772, 2112215, 2413960, 3379544, 4224430, 8448860, 16897720]

約数ペア:

[(1, 16897720), (2, 8448860), (4, 4224430), (5, 3379544), (7, 2413960), (8, 2112215), (10, 1689772), (14, 1206980), (20, 844886), (28, 603490), (29, 582680), (35, 482792), (40, 422443), (56, 301745), (58, 291340), (70, 241396), (116, 145670), (140, 120698), (145, 116536), (203, 83240), (232, 72835), (280, 60349), (290, 58268), (406, 41620), (580, 29134), (812, 20810), (1015, 16648), (1160, 14567), (1624, 10405), (2030, 8324), (2081, 8120), (4060, 4162)]