1325804560

素因数分解:

$2^4\times 5^1\times {\mathrm{4049}}^1\times {\mathrm{4093}}^1$

素因数の和:8155

約数の個数: 40

約数和(自身を含む): 3084010200

約数和(自身を除く): 1758205640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4049, 4093, 8098, 8186, 16196, 16372, 20245, 20465, 32392, 32744, 40490, 40930, 64784, 65488, 80980, 81860, 161960, 163720, 323920, 327440, 16572557, 33145114, 66290228, 82862785, 132580456, 165725570, 265160912, 331451140, 662902280, 1325804560]

約数ペア:

[(1, 1325804560), (2, 662902280), (4, 331451140), (5, 265160912), (8, 165725570), (10, 132580456), (16, 82862785), (20, 66290228), (40, 33145114), (80, 16572557), (4049, 327440), (4093, 323920), (8098, 163720), (8186, 161960), (16196, 81860), (16372, 80980), (20245, 65488), (20465, 64784), (32392, 40930), (32744, 40490)]