25644560

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2447}}^1$

素因数の和:2591

約数の個数: 40

約数和(自身を含む): 60103296

約数和(自身を除く): 34458736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2447, 2620, 4894, 5240, 9788, 10480, 12235, 19576, 24470, 39152, 48940, 97880, 195760, 320557, 641114, 1282228, 1602785, 2564456, 3205570, 5128912, 6411140, 12822280, 25644560]

約数ペア:

[(1, 25644560), (2, 12822280), (4, 6411140), (5, 5128912), (8, 3205570), (10, 2564456), (16, 1602785), (20, 1282228), (40, 641114), (80, 320557), (131, 195760), (262, 97880), (524, 48940), (655, 39152), (1048, 24470), (1310, 19576), (2096, 12235), (2447, 10480), (2620, 9788), (4894, 5240)]