80188240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{311}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 204736896

約数和(自身を除く): 124548656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 293, 311, 440, 586, 622, 880, 1172, 1244, 1465, 1555, 2344, 2488, 2930, 3110, 3223, 3421, 4688, 4976, 5860, 6220, 6446, 6842, 11720, 12440, 12892, 13684, 16115, 17105, 23440, 24880, 25784, 27368, 32230, 34210, 51568, 54736, 64460, 68420, 91123, 128920, 136840, 182246, 257840, 273680, 364492, 455615, 728984, 911230, 1002353, 1457968, 1822460, 2004706, 3644920, 4009412, 5011765, 7289840, 8018824, 10023530, 16037648, 20047060, 40094120, 80188240]

約数ペア:

[(1, 80188240), (2, 40094120), (4, 20047060), (5, 16037648), (8, 10023530), (10, 8018824), (11, 7289840), (16, 5011765), (20, 4009412), (22, 3644920), (40, 2004706), (44, 1822460), (55, 1457968), (80, 1002353), (88, 911230), (110, 728984), (176, 455615), (220, 364492), (293, 273680), (311, 257840), (440, 182246), (586, 136840), (622, 128920), (880, 91123), (1172, 68420), (1244, 64460), (1465, 54736), (1555, 51568), (2344, 34210), (2488, 32230), (2930, 27368), (3110, 25784), (3223, 24880), (3421, 23440), (4688, 17105), (4976, 16115), (5860, 13684), (6220, 12892), (6446, 12440), (6842, 11720)]