39994960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16127}}^1$

素因数の和:16171

約数の個数: 40

約数和(自身を含む): 95993856

約数和(自身を除く): 55998896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16127, 32254, 64508, 80635, 129016, 161270, 258032, 322540, 499937, 645080, 999874, 1290160, 1999748, 2499685, 3999496, 4999370, 7998992, 9998740, 19997480, 39994960]

約数ペア:

[(1, 39994960), (2, 19997480), (4, 9998740), (5, 7998992), (8, 4999370), (10, 3999496), (16, 2499685), (20, 1999748), (31, 1290160), (40, 999874), (62, 645080), (80, 499937), (124, 322540), (155, 258032), (248, 161270), (310, 129016), (496, 80635), (620, 64508), (1240, 32254), (2480, 16127)]