49911280

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1489}}^1$

素因数の和:1921

約数の個数: 40

約数和(自身を含む): 116398800

約数和(自身を除く): 66487520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1489, 1676, 2095, 2978, 3352, 4190, 5956, 6704, 7445, 8380, 11912, 14890, 16760, 23824, 29780, 33520, 59560, 119120, 623891, 1247782, 2495564, 3119455, 4991128, 6238910, 9982256, 12477820, 24955640, 49911280]

約数ペア:

[(1, 49911280), (2, 24955640), (4, 12477820), (5, 9982256), (8, 6238910), (10, 4991128), (16, 3119455), (20, 2495564), (40, 1247782), (80, 623891), (419, 119120), (838, 59560), (1489, 33520), (1676, 29780), (2095, 23824), (2978, 16760), (3352, 14890), (4190, 11912), (5956, 8380), (6704, 7445)]