19764800

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1123}}^1$

素因数の和:1156

約数の個数: 84

約数和(自身を含む): 53102256

約数和(自身を除く): 33337456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 704, 800, 880, 1100, 1123, 1600, 1760, 2200, 2246, 3520, 4400, 4492, 5615, 8800, 8984, 11230, 12353, 17600, 17968, 22460, 24706, 28075, 35936, 44920, 49412, 56150, 61765, 71872, 89840, 98824, 112300, 123530, 179680, 197648, 224600, 247060, 308825, 359360, 395296, 449200, 494120, 617650, 790592, 898400, 988240, 1235300, 1796800, 1976480, 2470600, 3952960, 4941200, 9882400, 19764800]

約数ペア:

[(1, 19764800), (2, 9882400), (4, 4941200), (5, 3952960), (8, 2470600), (10, 1976480), (11, 1796800), (16, 1235300), (20, 988240), (22, 898400), (25, 790592), (32, 617650), (40, 494120), (44, 449200), (50, 395296), (55, 359360), (64, 308825), (80, 247060), (88, 224600), (100, 197648), (110, 179680), (160, 123530), (176, 112300), (200, 98824), (220, 89840), (275, 71872), (320, 61765), (352, 56150), (400, 49412), (440, 44920), (550, 35936), (704, 28075), (800, 24706), (880, 22460), (1100, 17968), (1123, 17600), (1600, 12353), (1760, 11230), (2200, 8984), (2246, 8800), (3520, 5615), (4400, 4492)]