78811400

素因数分解:

$2^3\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1013}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 183888900

約数和(自身を除く): 105077500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 389, 778, 1013, 1556, 1945, 2026, 3112, 3890, 4052, 5065, 7780, 8104, 9725, 10130, 15560, 19450, 20260, 25325, 38900, 40520, 50650, 77800, 101300, 202600, 394057, 788114, 1576228, 1970285, 3152456, 3940570, 7881140, 9851425, 15762280, 19702850, 39405700, 78811400]

約数ペア:

[(1, 78811400), (2, 39405700), (4, 19702850), (5, 15762280), (8, 9851425), (10, 7881140), (20, 3940570), (25, 3152456), (40, 1970285), (50, 1576228), (100, 788114), (200, 394057), (389, 202600), (778, 101300), (1013, 77800), (1556, 50650), (1945, 40520), (2026, 38900), (3112, 25325), (3890, 20260), (4052, 19450), (5065, 15560), (7780, 10130), (8104, 9725)]