12688040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8573}}^1$

素因数の和:8621

約数の個数: 32

約数和(自身を含む): 29323080

約数和(自身を除く): 16635040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 8573, 17146, 34292, 42865, 68584, 85730, 171460, 317201, 342920, 634402, 1268804, 1586005, 2537608, 3172010, 6344020, 12688040]

約数ペア:

[(1, 12688040), (2, 6344020), (4, 3172010), (5, 2537608), (8, 1586005), (10, 1268804), (20, 634402), (37, 342920), (40, 317201), (74, 171460), (148, 85730), (185, 68584), (296, 42865), (370, 34292), (740, 17146), (1480, 8573)]