25704760

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8803}}^1$

素因数の和:8887

約数の個数: 32

約数和(自身を含む): 58634640

約数和(自身を除く): 32929880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 8803, 17606, 35212, 44015, 70424, 88030, 176060, 352120, 642619, 1285238, 2570476, 3213095, 5140952, 6426190, 12852380, 25704760]

約数ペア:

[(1, 25704760), (2, 12852380), (4, 6426190), (5, 5140952), (8, 3213095), (10, 2570476), (20, 1285238), (40, 642619), (73, 352120), (146, 176060), (292, 88030), (365, 70424), (584, 44015), (730, 35212), (1460, 17606), (2920, 8803)]