207438520

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{12377}}^1$

素因数の和:12807

約数の個数: 32

約数和(自身を含む): 467888400

約数和(自身を除く): 260449880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 12377, 16760, 24754, 49508, 61885, 99016, 123770, 247540, 495080, 5185963, 10371926, 20743852, 25929815, 41487704, 51859630, 103719260, 207438520]

約数ペア:

[(1, 207438520), (2, 103719260), (4, 51859630), (5, 41487704), (8, 25929815), (10, 20743852), (20, 10371926), (40, 5185963), (419, 495080), (838, 247540), (1676, 123770), (2095, 99016), (3352, 61885), (4190, 49508), (8380, 24754), (12377, 16760)]