25393520

素因数分解:

$2^4\times 5^1\times {\mathrm{317419}}^1$

素因数の和:317432

約数の個数: 20

約数和(自身を含む): 59040120

約数和(自身を除く): 33646600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317419, 634838, 1269676, 1587095, 2539352, 3174190, 5078704, 6348380, 12696760, 25393520]

約数ペア:

[(1, 25393520), (2, 12696760), (4, 6348380), (5, 5078704), (8, 3174190), (10, 2539352), (16, 1587095), (20, 1269676), (40, 634838), (80, 317419)]