26243960

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{811}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 59194800

約数和(自身を除く): 32950840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 811, 1618, 1622, 3236, 3244, 4045, 4055, 6472, 6488, 8090, 8110, 16180, 16220, 32360, 32440, 656099, 1312198, 2624396, 3280495, 5248792, 6560990, 13121980, 26243960]

約数ペア:

[(1, 26243960), (2, 13121980), (4, 6560990), (5, 5248792), (8, 3280495), (10, 2624396), (20, 1312198), (40, 656099), (809, 32440), (811, 32360), (1618, 16220), (1622, 16180), (3236, 8110), (3244, 8090), (4045, 6488), (4055, 6472)]