839722000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{32297}}^1$

素因数の和:32333

約数の個数: 80

約数和(自身を含む): 2186703792

約数和(自身を除く): 1346981792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 1000, 1040, 1300, 1625, 2000, 2600, 3250, 5200, 6500, 13000, 26000, 32297, 64594, 129188, 161485, 258376, 322970, 419861, 516752, 645940, 807425, 839722, 1291880, 1614850, 1679444, 2099305, 2583760, 3229700, 3358888, 4037125, 4198610, 6459400, 6717776, 8074250, 8397220, 10496525, 12918800, 16148500, 16794440, 20993050, 32297000, 33588880, 41986100, 52482625, 64594000, 83972200, 104965250, 167944400, 209930500, 419861000, 839722000]

約数ペア:

[(1, 839722000), (2, 419861000), (4, 209930500), (5, 167944400), (8, 104965250), (10, 83972200), (13, 64594000), (16, 52482625), (20, 41986100), (25, 33588880), (26, 32297000), (40, 20993050), (50, 16794440), (52, 16148500), (65, 12918800), (80, 10496525), (100, 8397220), (104, 8074250), (125, 6717776), (130, 6459400), (200, 4198610), (208, 4037125), (250, 3358888), (260, 3229700), (325, 2583760), (400, 2099305), (500, 1679444), (520, 1614850), (650, 1291880), (1000, 839722), (1040, 807425), (1300, 645940), (1625, 516752), (2000, 419861), (2600, 322970), (3250, 258376), (5200, 161485), (6500, 129188), (13000, 64594), (26000, 32297)]