12443240

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4643}}^1$

素因数の和:4721

約数の個数: 32

約数和(自身を含む): 28421280

約数和(自身を除く): 15978040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 4643, 9286, 18572, 23215, 37144, 46430, 92860, 185720, 311081, 622162, 1244324, 1555405, 2488648, 3110810, 6221620, 12443240]

約数ペア:

[(1, 12443240), (2, 6221620), (4, 3110810), (5, 2488648), (8, 1555405), (10, 1244324), (20, 622162), (40, 311081), (67, 185720), (134, 92860), (268, 46430), (335, 37144), (536, 23215), (670, 18572), (1340, 9286), (2680, 4643)]