66554800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12799}}^1$

素因数の和:12830

約数の個数: 60

約数和(自身を含む): 172211200

約数和(自身を除く): 105656400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 12799, 25598, 51196, 63995, 102392, 127990, 166387, 204784, 255980, 319975, 332774, 511960, 639950, 665548, 831935, 1023920, 1279900, 1331096, 1663870, 2559800, 2662192, 3327740, 4159675, 5119600, 6655480, 8319350, 13310960, 16638700, 33277400, 66554800]

約数ペア:

[(1, 66554800), (2, 33277400), (4, 16638700), (5, 13310960), (8, 8319350), (10, 6655480), (13, 5119600), (16, 4159675), (20, 3327740), (25, 2662192), (26, 2559800), (40, 1663870), (50, 1331096), (52, 1279900), (65, 1023920), (80, 831935), (100, 665548), (104, 639950), (130, 511960), (200, 332774), (208, 319975), (260, 255980), (325, 204784), (400, 166387), (520, 127990), (650, 102392), (1040, 63995), (1300, 51196), (2600, 25598), (5200, 12799)]