88087640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 203636160

約数和(自身を除く): 115548520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 97, 146, 194, 292, 311, 365, 388, 485, 584, 622, 730, 776, 970, 1244, 1460, 1555, 1940, 2488, 2920, 3110, 3880, 6220, 7081, 12440, 14162, 22703, 28324, 30167, 35405, 45406, 56648, 60334, 70810, 90812, 113515, 120668, 141620, 150835, 181624, 227030, 241336, 283240, 301670, 454060, 603340, 908120, 1206680, 2202191, 4404382, 8808764, 11010955, 17617528, 22021910, 44043820, 88087640]

約数ペア:

[(1, 88087640), (2, 44043820), (4, 22021910), (5, 17617528), (8, 11010955), (10, 8808764), (20, 4404382), (40, 2202191), (73, 1206680), (97, 908120), (146, 603340), (194, 454060), (292, 301670), (311, 283240), (365, 241336), (388, 227030), (485, 181624), (584, 150835), (622, 141620), (730, 120668), (776, 113515), (970, 90812), (1244, 70810), (1460, 60334), (1555, 56648), (1940, 45406), (2488, 35405), (2920, 30167), (3110, 28324), (3880, 22703), (6220, 14162), (7081, 12440)]