5181520

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 12142080

約数和(自身を除く): 6960560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 271, 478, 542, 956, 1084, 1195, 1355, 1912, 2168, 2390, 2710, 3824, 4336, 4780, 5420, 9560, 10840, 19120, 21680, 64769, 129538, 259076, 323845, 518152, 647690, 1036304, 1295380, 2590760, 5181520]

約数ペア:

[(1, 5181520), (2, 2590760), (4, 1295380), (5, 1036304), (8, 647690), (10, 518152), (16, 323845), (20, 259076), (40, 129538), (80, 64769), (239, 21680), (271, 19120), (478, 10840), (542, 9560), (956, 5420), (1084, 4780), (1195, 4336), (1355, 3824), (1912, 2710), (2168, 2390)]