20120367475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:1009

約数の個数: 96

約数和(自身を含む): 28955646720

約数和(自身を除く): 8835279245

約数列:

[1, 5, 13, 25, 29, 47, 53, 65, 145, 235, 265, 325, 377, 611, 689, 725, 857, 1175, 1325, 1363, 1537, 1885, 2491, 3055, 3445, 4285, 6815, 7685, 9425, 11141, 12455, 15275, 17225, 17719, 19981, 21425, 24853, 32383, 34075, 38425, 40279, 45421, 55705, 62275, 72239, 88595, 99905, 124265, 161915, 201395, 227105, 278525, 323089, 361195, 442975, 499525, 523627, 590473, 621325, 809575, 939107, 1006975, 1135525, 1168091, 1317209, 1615445, 1805975, 2134787, 2618135, 2952365, 4695535, 5840455, 6586045, 8077225, 10673935, 13090675, 14761825, 15185183, 17123717, 23477675, 27752231, 29202275, 32930225, 53369675, 61908823, 75925915, 85618585, 138761155, 309544115, 379629575, 428092925, 693805775, 804814699, 1547720575, 4024073495, 20120367475]

約数ペア:

[(1, 20120367475), (5, 4024073495), (13, 1547720575), (25, 804814699), (29, 693805775), (47, 428092925), (53, 379629575), (65, 309544115), (145, 138761155), (235, 85618585), (265, 75925915), (325, 61908823), (377, 53369675), (611, 32930225), (689, 29202275), (725, 27752231), (857, 23477675), (1175, 17123717), (1325, 15185183), (1363, 14761825), (1537, 13090675), (1885, 10673935), (2491, 8077225), (3055, 6586045), (3445, 5840455), (4285, 4695535), (6815, 2952365), (7685, 2618135), (9425, 2134787), (11141, 1805975), (12455, 1615445), (15275, 1317209), (17225, 1168091), (17719, 1135525), (19981, 1006975), (21425, 939107), (24853, 809575), (32383, 621325), (34075, 590473), (38425, 523627), (40279, 499525), (45421, 442975), (55705, 361195), (62275, 323089), (72239, 278525), (88595, 227105), (99905, 201395), (124265, 161915)]