12905540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9631}}^1$

素因数の和:9707

約数の個数: 24

約数和(自身を含む): 27508992

約数和(自身を除く): 14603452

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 9631, 19262, 38524, 48155, 96310, 192620, 645277, 1290554, 2581108, 3226385, 6452770, 12905540]

約数ペア:

[(1, 12905540), (2, 6452770), (4, 3226385), (5, 2581108), (10, 1290554), (20, 645277), (67, 192620), (134, 96310), (268, 48155), (335, 38524), (670, 19262), (1340, 9631)]