80032480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1229}}^1$

素因数の和:1292

約数の個数: 96

約数和(自身を含む): 212012640

約数和(自身を除く): 131980160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 74, 80, 88, 110, 148, 160, 176, 185, 220, 296, 352, 370, 407, 440, 592, 740, 814, 880, 1184, 1229, 1480, 1628, 1760, 2035, 2458, 2960, 3256, 4070, 4916, 5920, 6145, 6512, 8140, 9832, 12290, 13024, 13519, 16280, 19664, 24580, 27038, 32560, 39328, 45473, 49160, 54076, 65120, 67595, 90946, 98320, 108152, 135190, 181892, 196640, 216304, 227365, 270380, 363784, 432608, 454730, 500203, 540760, 727568, 909460, 1000406, 1081520, 1455136, 1818920, 2000812, 2163040, 2501015, 3637840, 4001624, 5002030, 7275680, 8003248, 10004060, 16006496, 20008120, 40016240, 80032480]

約数ペア:

[(1, 80032480), (2, 40016240), (4, 20008120), (5, 16006496), (8, 10004060), (10, 8003248), (11, 7275680), (16, 5002030), (20, 4001624), (22, 3637840), (32, 2501015), (37, 2163040), (40, 2000812), (44, 1818920), (55, 1455136), (74, 1081520), (80, 1000406), (88, 909460), (110, 727568), (148, 540760), (160, 500203), (176, 454730), (185, 432608), (220, 363784), (296, 270380), (352, 227365), (370, 216304), (407, 196640), (440, 181892), (592, 135190), (740, 108152), (814, 98320), (880, 90946), (1184, 67595), (1229, 65120), (1480, 54076), (1628, 49160), (1760, 45473), (2035, 39328), (2458, 32560), (2960, 27038), (3256, 24580), (4070, 19664), (4916, 16280), (5920, 13519), (6145, 13024), (6512, 12290), (8140, 9832)]