40445886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 92252160

約数和(自身を除く): 51806274

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 43, 62, 78, 86, 93, 129, 186, 258, 389, 403, 559, 778, 806, 1118, 1167, 1209, 1333, 1677, 2334, 2418, 2666, 3354, 3999, 5057, 7998, 10114, 12059, 15171, 16727, 17329, 24118, 30342, 33454, 34658, 36177, 50181, 51987, 72354, 100362, 103974, 156767, 217451, 313534, 434902, 470301, 518537, 652353, 940602, 1037074, 1304706, 1555611, 3111222, 6740981, 13481962, 20222943, 40445886]

約数ペア:

[(1, 40445886), (2, 20222943), (3, 13481962), (6, 6740981), (13, 3111222), (26, 1555611), (31, 1304706), (39, 1037074), (43, 940602), (62, 652353), (78, 518537), (86, 470301), (93, 434902), (129, 313534), (186, 217451), (258, 156767), (389, 103974), (403, 100362), (559, 72354), (778, 51987), (806, 50181), (1118, 36177), (1167, 34658), (1209, 33454), (1333, 30342), (1677, 24118), (2334, 17329), (2418, 16727), (2666, 15171), (3354, 12059), (3999, 10114), (5057, 7998)]