4247080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1193}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 9671400

約数和(自身を除く): 5424320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1193, 1780, 2386, 3560, 4772, 5965, 9544, 11930, 23860, 47720, 106177, 212354, 424708, 530885, 849416, 1061770, 2123540, 4247080]

約数ペア:

[(1, 4247080), (2, 2123540), (4, 1061770), (5, 849416), (8, 530885), (10, 424708), (20, 212354), (40, 106177), (89, 47720), (178, 23860), (356, 11930), (445, 9544), (712, 5965), (890, 4772), (1193, 3560), (1780, 2386)]