85744520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13151}}^1$

素因数の和:13325

約数の個数: 32

約数和(自身を含む): 194123520

約数和(自身を除く): 108379000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 13151, 26302, 52604, 65755, 105208, 131510, 263020, 526040, 2143613, 4287226, 8574452, 10718065, 17148904, 21436130, 42872260, 85744520]

約数ペア:

[(1, 85744520), (2, 42872260), (4, 21436130), (5, 17148904), (8, 10718065), (10, 8574452), (20, 4287226), (40, 2143613), (163, 526040), (326, 263020), (652, 131510), (815, 105208), (1304, 65755), (1630, 52604), (3260, 26302), (6520, 13151)]