25098280

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1613}}^1$

素因数の和:2013

約数の個数: 32

約数和(自身を含む): 56651400

約数和(自身を除く): 31553120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1613, 1945, 3112, 3226, 3890, 6452, 7780, 8065, 12904, 15560, 16130, 32260, 64520, 627457, 1254914, 2509828, 3137285, 5019656, 6274570, 12549140, 25098280]

約数ペア:

[(1, 25098280), (2, 12549140), (4, 6274570), (5, 5019656), (8, 3137285), (10, 2509828), (20, 1254914), (40, 627457), (389, 64520), (778, 32260), (1556, 16130), (1613, 15560), (1945, 12904), (3112, 8065), (3226, 7780), (3890, 6452)]