13291340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12539}}^1$

素因数の和:12601

約数の個数: 24

約数和(自身を含む): 28440720

約数和(自身を除く): 15149380

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 12539, 25078, 50156, 62695, 125390, 250780, 664567, 1329134, 2658268, 3322835, 6645670, 13291340]

約数ペア:

[(1, 13291340), (2, 6645670), (4, 3322835), (5, 2658268), (10, 1329134), (20, 664567), (53, 250780), (106, 125390), (212, 62695), (265, 50156), (530, 25078), (1060, 12539)]