51485200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9901}}^1$

素因数の和:9932

約数の個数: 60

約数和(自身を含む): 133221508

約数和(自身を除く): 81736308

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, 9901, 19802, 39604, 49505, 79208, 99010, 128713, 158416, 198020, 247525, 257426, 396040, 495050, 514852, 643565, 792080, 990100, 1029704, 1287130, 1980200, 2059408, 2574260, 3217825, 3960400, 5148520, 6435650, 10297040, 12871300, 25742600, 51485200]

約数ペア:

[(1, 51485200), (2, 25742600), (4, 12871300), (5, 10297040), (8, 6435650), (10, 5148520), (13, 3960400), (16, 3217825), (20, 2574260), (25, 2059408), (26, 1980200), (40, 1287130), (50, 1029704), (52, 990100), (65, 792080), (80, 643565), (100, 514852), (104, 495050), (130, 396040), (200, 257426), (208, 247525), (260, 198020), (325, 158416), (400, 128713), (520, 99010), (650, 79208), (1040, 49505), (1300, 39604), (2600, 19802), (5200, 9901)]