87234040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{22483}}^1$

素因数の和:22591

約数の個数: 32

約数和(自身を含む): 198308880

約数和(自身を除く): 111074840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 22483, 44966, 89932, 112415, 179864, 224830, 449660, 899320, 2180851, 4361702, 8723404, 10904255, 17446808, 21808510, 43617020, 87234040]

約数ペア:

[(1, 87234040), (2, 43617020), (4, 21808510), (5, 17446808), (8, 10904255), (10, 8723404), (20, 4361702), (40, 2180851), (97, 899320), (194, 449660), (388, 224830), (485, 179864), (776, 112415), (970, 89932), (1940, 44966), (3880, 22483)]