79989920

素因数分解:

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

素因数の和:16173

約数の個数: 48

約数和(自身を含む): 195084288

約数和(自身を除く): 115094368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 16127, 32254, 64508, 80635, 129016, 161270, 258032, 322540, 499937, 516064, 645080, 999874, 1290160, 1999748, 2499685, 2580320, 3999496, 4999370, 7998992, 9998740, 15997984, 19997480, 39994960, 79989920]

約数ペア:

[(1, 79989920), (2, 39994960), (4, 19997480), (5, 15997984), (8, 9998740), (10, 7998992), (16, 4999370), (20, 3999496), (31, 2580320), (32, 2499685), (40, 1999748), (62, 1290160), (80, 999874), (124, 645080), (155, 516064), (160, 499937), (248, 322540), (310, 258032), (496, 161270), (620, 129016), (992, 80635), (1240, 64508), (2480, 32254), (4960, 16127)]