40804060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{193}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 97091568

約数和(自身を除く): 56287508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 193, 220, 310, 341, 386, 620, 682, 772, 961, 965, 1364, 1705, 1922, 1930, 2123, 3410, 3844, 3860, 4246, 4805, 5983, 6820, 8492, 9610, 10571, 10615, 11966, 19220, 21142, 21230, 23932, 29915, 42284, 42460, 52855, 59830, 65813, 105710, 119660, 131626, 185473, 211420, 263252, 329065, 370946, 658130, 741892, 927365, 1316260, 1854730, 2040203, 3709460, 4080406, 8160812, 10201015, 20402030, 40804060]

約数ペア:

[(1, 40804060), (2, 20402030), (4, 10201015), (5, 8160812), (10, 4080406), (11, 3709460), (20, 2040203), (22, 1854730), (31, 1316260), (44, 927365), (55, 741892), (62, 658130), (110, 370946), (124, 329065), (155, 263252), (193, 211420), (220, 185473), (310, 131626), (341, 119660), (386, 105710), (620, 65813), (682, 59830), (772, 52855), (961, 42460), (965, 42284), (1364, 29915), (1705, 23932), (1922, 21230), (1930, 21142), (2123, 19220), (3410, 11966), (3844, 10615), (3860, 10571), (4246, 9610), (4805, 8492), (5983, 6820)]