25806280

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2677}}^1$

素因数の和:2929

約数の個数: 32

約数和(自身を含む): 58326840

約数和(自身を除く): 32520560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 2677, 4820, 5354, 9640, 10708, 13385, 21416, 26770, 53540, 107080, 645157, 1290314, 2580628, 3225785, 5161256, 6451570, 12903140, 25806280]

約数ペア:

[(1, 25806280), (2, 12903140), (4, 6451570), (5, 5161256), (8, 3225785), (10, 2580628), (20, 1290314), (40, 645157), (241, 107080), (482, 53540), (964, 26770), (1205, 21416), (1928, 13385), (2410, 10708), (2677, 9640), (4820, 5354)]