30400625

素因数分解:

$5^4\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:530

約数の個数: 20

約数和(自身を含む): 38387712

約数和(自身を除く): 7987087

約数列:

[1, 5, 25, 125, 127, 383, 625, 635, 1915, 3175, 9575, 15875, 47875, 48641, 79375, 239375, 243205, 1216025, 6080125, 30400625]

約数ペア:

[(1, 30400625), (5, 6080125), (25, 1216025), (125, 243205), (127, 239375), (383, 79375), (625, 48641), (635, 47875), (1915, 15875), (3175, 9575)]