30887180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11789}}^1$

素因数の和:11929

約数の個数: 24

約数和(自身を含む): 65363760

約数和(自身を除く): 34476580

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 11789, 23578, 47156, 58945, 117890, 235780, 1544359, 3088718, 6177436, 7721795, 15443590, 30887180]

約数ペア:

[(1, 30887180), (2, 15443590), (4, 7721795), (5, 6177436), (10, 3088718), (20, 1544359), (131, 235780), (262, 117890), (524, 58945), (655, 47156), (1310, 23578), (2620, 11789)]