12478240

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{467}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 29719872

約数和(自身を除く): 17241632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 467, 668, 835, 934, 1336, 1670, 1868, 2335, 2672, 3340, 3736, 4670, 5344, 6680, 7472, 9340, 13360, 14944, 18680, 26720, 37360, 74720, 77989, 155978, 311956, 389945, 623912, 779890, 1247824, 1559780, 2495648, 3119560, 6239120, 12478240]

約数ペア:

[(1, 12478240), (2, 6239120), (4, 3119560), (5, 2495648), (8, 1559780), (10, 1247824), (16, 779890), (20, 623912), (32, 389945), (40, 311956), (80, 155978), (160, 77989), (167, 74720), (334, 37360), (467, 26720), (668, 18680), (835, 14944), (934, 13360), (1336, 9340), (1670, 7472), (1868, 6680), (2335, 5344), (2672, 4670), (3340, 3736)]