123585520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{23057}}^1$

素因数の和:23137

約数の個数: 40

約数和(自身を含む): 291637584

約数和(自身を除く): 168052064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 23057, 46114, 92228, 115285, 184456, 230570, 368912, 461140, 922280, 1544819, 1844560, 3089638, 6179276, 7724095, 12358552, 15448190, 24717104, 30896380, 61792760, 123585520]

約数ペア:

[(1, 123585520), (2, 61792760), (4, 30896380), (5, 24717104), (8, 15448190), (10, 12358552), (16, 7724095), (20, 6179276), (40, 3089638), (67, 1844560), (80, 1544819), (134, 922280), (268, 461140), (335, 368912), (536, 230570), (670, 184456), (1072, 115285), (1340, 92228), (2680, 46114), (5360, 23057)]