168688040

素因数分解:

$2^3\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{2791}}^1$

素因数の和:4313

約数の個数: 32

約数和(自身を含む): 379935360

約数和(自身を除く): 211247320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1511, 2791, 3022, 5582, 6044, 7555, 11164, 12088, 13955, 15110, 22328, 27910, 30220, 55820, 60440, 111640, 4217201, 8434402, 16868804, 21086005, 33737608, 42172010, 84344020, 168688040]

約数ペア:

[(1, 168688040), (2, 84344020), (4, 42172010), (5, 33737608), (8, 21086005), (10, 16868804), (20, 8434402), (40, 4217201), (1511, 111640), (2791, 60440), (3022, 55820), (5582, 30220), (6044, 27910), (7555, 22328), (11164, 15110), (12088, 13955)]