85545020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 210651840

約数和(自身を除く): 125106820

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 89, 110, 170, 178, 187, 220, 257, 340, 356, 374, 445, 514, 748, 890, 935, 979, 1028, 1285, 1513, 1780, 1870, 1958, 2570, 2827, 3026, 3740, 3916, 4369, 4895, 5140, 5654, 6052, 7565, 8738, 9790, 11308, 14135, 15130, 16643, 17476, 19580, 21845, 22873, 28270, 30260, 33286, 43690, 45746, 48059, 56540, 66572, 83215, 87380, 91492, 96118, 114365, 166430, 192236, 228730, 240295, 251603, 332860, 388841, 457460, 480590, 503206, 777682, 961180, 1006412, 1258015, 1555364, 1944205, 2516030, 3888410, 4277251, 5032060, 7776820, 8554502, 17109004, 21386255, 42772510, 85545020]

約数ペア:

[(1, 85545020), (2, 42772510), (4, 21386255), (5, 17109004), (10, 8554502), (11, 7776820), (17, 5032060), (20, 4277251), (22, 3888410), (34, 2516030), (44, 1944205), (55, 1555364), (68, 1258015), (85, 1006412), (89, 961180), (110, 777682), (170, 503206), (178, 480590), (187, 457460), (220, 388841), (257, 332860), (340, 251603), (356, 240295), (374, 228730), (445, 192236), (514, 166430), (748, 114365), (890, 96118), (935, 91492), (979, 87380), (1028, 83215), (1285, 66572), (1513, 56540), (1780, 48059), (1870, 45746), (1958, 43690), (2570, 33286), (2827, 30260), (3026, 28270), (3740, 22873), (3916, 21845), (4369, 19580), (4895, 17476), (5140, 16643), (5654, 15130), (6052, 14135), (7565, 11308), (8738, 9790)]