25580080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16829}}^1$

素因数の和:16861

約数の個数: 40

約数和(自身を含む): 62607600

約数和(自身を除く): 37027520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 16829, 33658, 67316, 84145, 134632, 168290, 269264, 319751, 336580, 639502, 673160, 1279004, 1346320, 1598755, 2558008, 3197510, 5116016, 6395020, 12790040, 25580080]

約数ペア:

[(1, 25580080), (2, 12790040), (4, 6395020), (5, 5116016), (8, 3197510), (10, 2558008), (16, 1598755), (19, 1346320), (20, 1279004), (38, 673160), (40, 639502), (76, 336580), (80, 319751), (95, 269264), (152, 168290), (190, 134632), (304, 84145), (380, 67316), (760, 33658), (1520, 16829)]