871760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 2149416

約数和(自身を除く): 1277656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 641, 680, 1282, 1360, 2564, 3205, 5128, 6410, 10256, 10897, 12820, 21794, 25640, 43588, 51280, 54485, 87176, 108970, 174352, 217940, 435880, 871760]

約数ペア:

[(1, 871760), (2, 435880), (4, 217940), (5, 174352), (8, 108970), (10, 87176), (16, 54485), (17, 51280), (20, 43588), (34, 25640), (40, 21794), (68, 12820), (80, 10897), (85, 10256), (136, 6410), (170, 5128), (272, 3205), (340, 2564), (641, 1360), (680, 1282)]