49188520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 114987600

約数和(自身を除く): 65799080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 89, 164, 178, 205, 328, 337, 356, 410, 445, 674, 712, 820, 890, 1348, 1640, 1685, 1780, 2696, 3370, 3560, 3649, 6740, 7298, 13480, 13817, 14596, 18245, 27634, 29192, 29993, 36490, 55268, 59986, 69085, 72980, 110536, 119972, 138170, 145960, 149965, 239944, 276340, 299930, 552680, 599860, 1199720, 1229713, 2459426, 4918852, 6148565, 9837704, 12297130, 24594260, 49188520]

約数ペア:

[(1, 49188520), (2, 24594260), (4, 12297130), (5, 9837704), (8, 6148565), (10, 4918852), (20, 2459426), (40, 1229713), (41, 1199720), (82, 599860), (89, 552680), (164, 299930), (178, 276340), (205, 239944), (328, 149965), (337, 145960), (356, 138170), (410, 119972), (445, 110536), (674, 72980), (712, 69085), (820, 59986), (890, 55268), (1348, 36490), (1640, 29993), (1685, 29192), (1780, 27634), (2696, 18245), (3370, 14596), (3560, 13817), (3649, 13480), (6740, 7298)]