78896120

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{8689}}^1$

素因数の和:8927

約数の個数: 32

約数和(自身を含む): 178318800

約数和(自身を除く): 99422680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 8689, 9080, 17378, 34756, 43445, 69512, 86890, 173780, 347560, 1972403, 3944806, 7889612, 9862015, 15779224, 19724030, 39448060, 78896120]

約数ペア:

[(1, 78896120), (2, 39448060), (4, 19724030), (5, 15779224), (8, 9862015), (10, 7889612), (20, 3944806), (40, 1972403), (227, 347560), (454, 173780), (908, 86890), (1135, 69512), (1816, 43445), (2270, 34756), (4540, 17378), (8689, 9080)]