2546540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 5388432

約数和(自身を除く): 2841892

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 811, 1570, 1622, 3140, 3244, 4055, 8110, 16220, 127327, 254654, 509308, 636635, 1273270, 2546540]

約数ペア:

[(1, 2546540), (2, 1273270), (4, 636635), (5, 509308), (10, 254654), (20, 127327), (157, 16220), (314, 8110), (628, 4055), (785, 3244), (811, 3140), (1570, 1622)]