12521780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{11813}}^1$

素因数の和:11875

約数の個数: 24

約数和(自身を含む): 26794152

約数和(自身を除く): 14272372

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 11813, 23626, 47252, 59065, 118130, 236260, 626089, 1252178, 2504356, 3130445, 6260890, 12521780]

約数ペア:

[(1, 12521780), (2, 6260890), (4, 3130445), (5, 2504356), (10, 1252178), (20, 626089), (53, 236260), (106, 118130), (212, 59065), (265, 47252), (530, 23626), (1060, 11813)]