12698440

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{607}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 28673280

約数和(自身を除く): 15974840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 607, 1046, 1214, 2092, 2428, 2615, 3035, 4184, 4856, 5230, 6070, 10460, 12140, 20920, 24280, 317461, 634922, 1269844, 1587305, 2539688, 3174610, 6349220, 12698440]

約数ペア:

[(1, 12698440), (2, 6349220), (4, 3174610), (5, 2539688), (8, 1587305), (10, 1269844), (20, 634922), (40, 317461), (523, 24280), (607, 20920), (1046, 12140), (1214, 10460), (2092, 6070), (2428, 5230), (2615, 4856), (3035, 4184)]