2539840

素因数分解:

$2^6\times 5^1\times {\mathrm{7937}}^1$

素因数の和:7954

約数の個数: 28

約数和(自身を含む): 6048756

約数和(自身を除く): 3508916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 7937, 15874, 31748, 39685, 63496, 79370, 126992, 158740, 253984, 317480, 507968, 634960, 1269920, 2539840]

約数ペア:

[(1, 2539840), (2, 1269920), (4, 634960), (5, 507968), (8, 317480), (10, 253984), (16, 158740), (20, 126992), (32, 79370), (40, 63496), (64, 39685), (80, 31748), (160, 15874), (320, 7937)]