79879960

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7369}}^1$

素因数の和:7651

約数の個数: 32

約数和(自身を含む): 180417600

約数和(自身を除く): 100537640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 7369, 10840, 14738, 29476, 36845, 58952, 73690, 147380, 294760, 1996999, 3993998, 7987996, 9984995, 15975992, 19969990, 39939980, 79879960]

約数ペア:

[(1, 79879960), (2, 39939980), (4, 19969990), (5, 15975992), (8, 9984995), (10, 7987996), (20, 3993998), (40, 1996999), (271, 294760), (542, 147380), (1084, 73690), (1355, 58952), (2168, 36845), (2710, 29476), (5420, 14738), (7369, 10840)]