56805520

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2971}}^1$

素因数の和:3223

約数の個数: 40

約数和(自身を含む): 132670080

約数和(自身を除く): 75864560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 2971, 3824, 4780, 5942, 9560, 11884, 14855, 19120, 23768, 29710, 47536, 59420, 118840, 237680, 710069, 1420138, 2840276, 3550345, 5680552, 7100690, 11361104, 14201380, 28402760, 56805520]

約数ペア:

[(1, 56805520), (2, 28402760), (4, 14201380), (5, 11361104), (8, 7100690), (10, 5680552), (16, 3550345), (20, 2840276), (40, 1420138), (80, 710069), (239, 237680), (478, 118840), (956, 59420), (1195, 47536), (1912, 29710), (2390, 23768), (2971, 19120), (3824, 14855), (4780, 11884), (5942, 9560)]