188291080

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{28879}}^1$

素因数の和:29053

約数の個数: 32

約数和(自身を含む): 426268800

約数和(自身を除く): 237977720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 28879, 57758, 115516, 144395, 231032, 288790, 577580, 1155160, 4707277, 9414554, 18829108, 23536385, 37658216, 47072770, 94145540, 188291080]

約数ペア:

[(1, 188291080), (2, 94145540), (4, 47072770), (5, 37658216), (8, 23536385), (10, 18829108), (20, 9414554), (40, 4707277), (163, 1155160), (326, 577580), (652, 288790), (815, 231032), (1304, 144395), (1630, 115516), (3260, 57758), (6520, 28879)]