25790789020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1\times {\mathrm{16477}}^1$

素因数の和:17830

約数の個数: 48

約数和(自身を含む): 55094786208

約数和(自身を除く): 29303997188

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1283, 2566, 5132, 6415, 12830, 16477, 25660, 32954, 65908, 78263, 82385, 156526, 164770, 313052, 329540, 391315, 782630, 1005097, 1565260, 2010194, 4020388, 5025485, 10050970, 20101940, 21139991, 42279982, 84559964, 105699955, 211399910, 422799820, 1289539451, 2579078902, 5158157804, 6447697255, 12895394510, 25790789020]

約数ペア:

[(1, 25790789020), (2, 12895394510), (4, 6447697255), (5, 5158157804), (10, 2579078902), (20, 1289539451), (61, 422799820), (122, 211399910), (244, 105699955), (305, 84559964), (610, 42279982), (1220, 21139991), (1283, 20101940), (2566, 10050970), (5132, 5025485), (6415, 4020388), (12830, 2010194), (16477, 1565260), (25660, 1005097), (32954, 782630), (65908, 391315), (78263, 329540), (82385, 313052), (156526, 164770)]