72649340

素因数分解:

$2^2\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{2339}}^1$

素因数の和:3901

約数の個数: 24

約数和(自身を含む): 152727120

約数和(自身を除く): 80077780

約数列:

[1, 2, 4, 5, 10, 20, 1553, 2339, 3106, 4678, 6212, 7765, 9356, 11695, 15530, 23390, 31060, 46780, 3632467, 7264934, 14529868, 18162335, 36324670, 72649340]

約数ペア:

[(1, 72649340), (2, 36324670), (4, 18162335), (5, 14529868), (10, 7264934), (20, 3632467), (1553, 46780), (2339, 31060), (3106, 23390), (4678, 15530), (6212, 11695), (7765, 9356)]