12121640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4523}}^1$

素因数の和:4601

約数の個数: 32

約数和(自身を含む): 27686880

約数和(自身を除く): 15565240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 4523, 9046, 18092, 22615, 36184, 45230, 90460, 180920, 303041, 606082, 1212164, 1515205, 2424328, 3030410, 6060820, 12121640]

約数ペア:

[(1, 12121640), (2, 6060820), (4, 3030410), (5, 2424328), (8, 1515205), (10, 1212164), (20, 606082), (40, 303041), (67, 180920), (134, 90460), (268, 45230), (335, 36184), (536, 22615), (670, 18092), (1340, 9046), (2680, 4523)]