78805280

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{293}}^1$

素因数の和:390

約数の個数: 72

約数和(自身を含む): 191480436

約数和(自身を除く): 112675156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 293, 328, 410, 586, 656, 820, 1172, 1312, 1465, 1640, 1681, 2344, 2930, 3280, 3362, 4688, 5860, 6560, 6724, 8405, 9376, 11720, 12013, 13448, 16810, 23440, 24026, 26896, 33620, 46880, 48052, 53792, 60065, 67240, 96104, 120130, 134480, 192208, 240260, 268960, 384416, 480520, 492533, 961040, 985066, 1922080, 1970132, 2462665, 3940264, 4925330, 7880528, 9850660, 15761056, 19701320, 39402640, 78805280]

約数ペア:

[(1, 78805280), (2, 39402640), (4, 19701320), (5, 15761056), (8, 9850660), (10, 7880528), (16, 4925330), (20, 3940264), (32, 2462665), (40, 1970132), (41, 1922080), (80, 985066), (82, 961040), (160, 492533), (164, 480520), (205, 384416), (293, 268960), (328, 240260), (410, 192208), (586, 134480), (656, 120130), (820, 96104), (1172, 67240), (1312, 60065), (1465, 53792), (1640, 48052), (1681, 46880), (2344, 33620), (2930, 26896), (3280, 24026), (3362, 23440), (4688, 16810), (5860, 13448), (6560, 12013), (6724, 11720), (8405, 9376)]