19526000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:787

約数の個数: 80

約数和(自身を含む): 50913408

約数和(自身を除く): 31387408

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, 751, 1000, 1040, 1300, 1502, 1625, 2000, 2600, 3004, 3250, 3755, 5200, 6008, 6500, 7510, 9763, 12016, 13000, 15020, 18775, 19526, 26000, 30040, 37550, 39052, 48815, 60080, 75100, 78104, 93875, 97630, 150200, 156208, 187750, 195260, 244075, 300400, 375500, 390520, 488150, 751000, 781040, 976300, 1220375, 1502000, 1952600, 2440750, 3905200, 4881500, 9763000, 19526000]

約数ペア:

[(1, 19526000), (2, 9763000), (4, 4881500), (5, 3905200), (8, 2440750), (10, 1952600), (13, 1502000), (16, 1220375), (20, 976300), (25, 781040), (26, 751000), (40, 488150), (50, 390520), (52, 375500), (65, 300400), (80, 244075), (100, 195260), (104, 187750), (125, 156208), (130, 150200), (200, 97630), (208, 93875), (250, 78104), (260, 75100), (325, 60080), (400, 48815), (500, 39052), (520, 37550), (650, 30040), (751, 26000), (1000, 19526), (1040, 18775), (1300, 15020), (1502, 13000), (1625, 12016), (2000, 9763), (2600, 7510), (3004, 6500), (3250, 6008), (3755, 5200)]