1639458440

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{67523}}^1$

素因数の和:68141

約数の個数: 32

約数和(自身を含む): 3694913280

約数和(自身を除く): 2055454840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 4856, 6070, 12140, 24280, 67523, 135046, 270092, 337615, 540184, 675230, 1350460, 2700920, 40986461, 81972922, 163945844, 204932305, 327891688, 409864610, 819729220, 1639458440]

約数ペア:

[(1, 1639458440), (2, 819729220), (4, 409864610), (5, 327891688), (8, 204932305), (10, 163945844), (20, 81972922), (40, 40986461), (607, 2700920), (1214, 1350460), (2428, 675230), (3035, 540184), (4856, 337615), (6070, 270092), (12140, 135046), (24280, 67523)]