25257520

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1321}}^1$

素因数の和:1573

約数の個数: 40

約数和(自身を含む): 59014080

約数和(自身を除く): 33756560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1321, 1912, 2390, 2642, 3824, 4780, 5284, 6605, 9560, 10568, 13210, 19120, 21136, 26420, 52840, 105680, 315719, 631438, 1262876, 1578595, 2525752, 3157190, 5051504, 6314380, 12628760, 25257520]

約数ペア:

[(1, 25257520), (2, 12628760), (4, 6314380), (5, 5051504), (8, 3157190), (10, 2525752), (16, 1578595), (20, 1262876), (40, 631438), (80, 315719), (239, 105680), (478, 52840), (956, 26420), (1195, 21136), (1321, 19120), (1912, 13210), (2390, 10568), (2642, 9560), (3824, 6605), (4780, 5284)]