8636240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2633}}^1$

素因数の和:2687

約数の個数: 40

約数和(自身を含む): 20576808

約数和(自身を除く): 11940568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2633, 3280, 5266, 10532, 13165, 21064, 26330, 42128, 52660, 105320, 107953, 210640, 215906, 431812, 539765, 863624, 1079530, 1727248, 2159060, 4318120, 8636240]

約数ペア:

[(1, 8636240), (2, 4318120), (4, 2159060), (5, 1727248), (8, 1079530), (10, 863624), (16, 539765), (20, 431812), (40, 215906), (41, 210640), (80, 107953), (82, 105320), (164, 52660), (205, 42128), (328, 26330), (410, 21064), (656, 13165), (820, 10532), (1640, 5266), (2633, 3280)]