113128520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{17351}}^1$

素因数の和:17525

約数の個数: 32

約数和(自身を含む): 256115520

約数和(自身を除く): 142987000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 17351, 34702, 69404, 86755, 138808, 173510, 347020, 694040, 2828213, 5656426, 11312852, 14141065, 22625704, 28282130, 56564260, 113128520]

約数ペア:

[(1, 113128520), (2, 56564260), (4, 28282130), (5, 22625704), (8, 14141065), (10, 11312852), (20, 5656426), (40, 2828213), (163, 694040), (326, 347020), (652, 173510), (815, 138808), (1304, 86755), (1630, 69404), (3260, 34702), (6520, 17351)]