85870420

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{18749}}^1$

素因数の和:18987

約数の個数: 24

約数和(自身を含む): 181125000

約数和(自身を除く): 95254580

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 18749, 37498, 74996, 93745, 187490, 374980, 4293521, 8587042, 17174084, 21467605, 42935210, 85870420]

約数ペア:

[(1, 85870420), (2, 42935210), (4, 21467605), (5, 17174084), (10, 8587042), (20, 4293521), (229, 374980), (458, 187490), (916, 93745), (1145, 74996), (2290, 37498), (4580, 18749)]