16893520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 45497088

約数和(自身を除く): 28603568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 311, 388, 485, 560, 622, 679, 776, 970, 1244, 1358, 1552, 1555, 1940, 2177, 2488, 2716, 3110, 3395, 3880, 4354, 4976, 5432, 6220, 6790, 7760, 8708, 10864, 10885, 12440, 13580, 17416, 21770, 24880, 27160, 30167, 34832, 43540, 54320, 60334, 87080, 120668, 150835, 174160, 211169, 241336, 301670, 422338, 482672, 603340, 844676, 1055845, 1206680, 1689352, 2111690, 2413360, 3378704, 4223380, 8446760, 16893520]

約数ペア:

[(1, 16893520), (2, 8446760), (4, 4223380), (5, 3378704), (7, 2413360), (8, 2111690), (10, 1689352), (14, 1206680), (16, 1055845), (20, 844676), (28, 603340), (35, 482672), (40, 422338), (56, 301670), (70, 241336), (80, 211169), (97, 174160), (112, 150835), (140, 120668), (194, 87080), (280, 60334), (311, 54320), (388, 43540), (485, 34832), (560, 30167), (622, 27160), (679, 24880), (776, 21770), (970, 17416), (1244, 13580), (1358, 12440), (1552, 10885), (1555, 10864), (1940, 8708), (2177, 7760), (2488, 6790), (2716, 6220), (3110, 5432), (3395, 4976), (3880, 4354)]