25864280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49739}}^1$

素因数の和:49763

約数の個数: 32

約数和(自身を含む): 62672400

約数和(自身を除く): 36808120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 49739, 99478, 198956, 248695, 397912, 497390, 646607, 994780, 1293214, 1989560, 2586428, 3233035, 5172856, 6466070, 12932140, 25864280]

約数ペア:

[(1, 25864280), (2, 12932140), (4, 6466070), (5, 5172856), (8, 3233035), (10, 2586428), (13, 1989560), (20, 1293214), (26, 994780), (40, 646607), (52, 497390), (65, 397912), (104, 248695), (130, 198956), (260, 99478), (520, 49739)]