127619920

素因数分解:

$2^4\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2027}}^1$

素因数の和:2827

約数の個数: 40

約数和(自身を含む): 297239904

約数和(自身を除く): 169619984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 787, 1574, 2027, 3148, 3935, 4054, 6296, 7870, 8108, 10135, 12592, 15740, 16216, 20270, 31480, 32432, 40540, 62960, 81080, 162160, 1595249, 3190498, 6380996, 7976245, 12761992, 15952490, 25523984, 31904980, 63809960, 127619920]

約数ペア:

[(1, 127619920), (2, 63809960), (4, 31904980), (5, 25523984), (8, 15952490), (10, 12761992), (16, 7976245), (20, 6380996), (40, 3190498), (80, 1595249), (787, 162160), (1574, 81080), (2027, 62960), (3148, 40540), (3935, 32432), (4054, 31480), (6296, 20270), (7870, 16216), (8108, 15740), (10135, 12592)]