25797560

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1399}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 58212000

約数和(自身を除く): 32414440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1399, 1844, 2305, 2798, 3688, 4610, 5596, 6995, 9220, 11192, 13990, 18440, 27980, 55960, 644939, 1289878, 2579756, 3224695, 5159512, 6449390, 12898780, 25797560]

約数ペア:

[(1, 25797560), (2, 12898780), (4, 6449390), (5, 5159512), (8, 3224695), (10, 2579756), (20, 1289878), (40, 644939), (461, 55960), (922, 27980), (1399, 18440), (1844, 13990), (2305, 11192), (2798, 9220), (3688, 6995), (4610, 5596)]