2691340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2539}}^1$

素因数の和:2601

約数の個数: 24

約数和(自身を含む): 5760720

約数和(自身を除く): 3069380

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 2539, 5078, 10156, 12695, 25390, 50780, 134567, 269134, 538268, 672835, 1345670, 2691340]

約数ペア:

[(1, 2691340), (2, 1345670), (4, 672835), (5, 538268), (10, 269134), (20, 134567), (53, 50780), (106, 25390), (212, 12695), (265, 10156), (530, 5078), (1060, 2539)]