25671280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16889}}^1$

素因数の和:16921

約数の個数: 40

約数和(自身を含む): 62830800

約数和(自身を除く): 37159520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 16889, 33778, 67556, 84445, 135112, 168890, 270224, 320891, 337780, 641782, 675560, 1283564, 1351120, 1604455, 2567128, 3208910, 5134256, 6417820, 12835640, 25671280]

約数ペア:

[(1, 25671280), (2, 12835640), (4, 6417820), (5, 5134256), (8, 3208910), (10, 2567128), (16, 1604455), (19, 1351120), (20, 1283564), (38, 675560), (40, 641782), (76, 337780), (80, 320891), (95, 270224), (152, 168890), (190, 135112), (304, 84445), (380, 67556), (760, 33778), (1520, 16889)]