12577480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3533}}^1$

素因数の和:3633

約数の個数: 32

約数和(自身を含む): 28625400

約数和(自身を除く): 16047920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3533, 3560, 7066, 14132, 17665, 28264, 35330, 70660, 141320, 314437, 628874, 1257748, 1572185, 2515496, 3144370, 6288740, 12577480]

約数ペア:

[(1, 12577480), (2, 6288740), (4, 3144370), (5, 2515496), (8, 1572185), (10, 1257748), (20, 628874), (40, 314437), (89, 141320), (178, 70660), (356, 35330), (445, 28264), (712, 17665), (890, 14132), (1780, 7066), (3533, 3560)]