25790960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24799}}^1$

素因数の和:24825

約数の個数: 40

約数和(自身を含む): 64579200

約数和(自身を除く): 38788240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24799, 49598, 99196, 123995, 198392, 247990, 322387, 396784, 495980, 644774, 991960, 1289548, 1611935, 1983920, 2579096, 3223870, 5158192, 6447740, 12895480, 25790960]

約数ペア:

[(1, 25790960), (2, 12895480), (4, 6447740), (5, 5158192), (8, 3223870), (10, 2579096), (13, 1983920), (16, 1611935), (20, 1289548), (26, 991960), (40, 644774), (52, 495980), (65, 396784), (80, 322387), (104, 247990), (130, 198392), (208, 123995), (260, 99196), (520, 49598), (1040, 24799)]