12545920

素因数分解:

$2^7\times 5^1\times {\mathrm{19603}}^1$

素因数の和:19622

約数の個数: 32

約数和(自身を含む): 29994120

約数和(自身を除く): 17448200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19603, 39206, 78412, 98015, 156824, 196030, 313648, 392060, 627296, 784120, 1254592, 1568240, 2509184, 3136480, 6272960, 12545920]

約数ペア:

[(1, 12545920), (2, 6272960), (4, 3136480), (5, 2509184), (8, 1568240), (10, 1254592), (16, 784120), (20, 627296), (32, 392060), (40, 313648), (64, 196030), (80, 156824), (128, 98015), (160, 78412), (320, 39206), (640, 19603)]