127601920

素因数分解:

$2^8\times 5^1\times {\mathrm{99689}}^1$

素因数の和:99710

約数の個数: 36

約数和(自身を含む): 305649540

約数和(自身を除く): 178047620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 99689, 199378, 398756, 498445, 797512, 996890, 1595024, 1993780, 3190048, 3987560, 6380096, 7975120, 12760192, 15950240, 25520384, 31900480, 63800960, 127601920]

約数ペア:

[(1, 127601920), (2, 63800960), (4, 31900480), (5, 25520384), (8, 15950240), (10, 12760192), (16, 7975120), (20, 6380096), (32, 3987560), (40, 3190048), (64, 1993780), (80, 1595024), (128, 996890), (160, 797512), (256, 498445), (320, 398756), (640, 199378), (1280, 99689)]