38421560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 89579520

約数和(自身を除く): 51157960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 107, 188, 191, 214, 235, 376, 382, 428, 470, 535, 764, 856, 940, 955, 1070, 1528, 1880, 1910, 2140, 3820, 4280, 5029, 7640, 8977, 10058, 17954, 20116, 20437, 25145, 35908, 40232, 40874, 44885, 50290, 71816, 81748, 89770, 100580, 102185, 163496, 179540, 201160, 204370, 359080, 408740, 817480, 960539, 1921078, 3842156, 4802695, 7684312, 9605390, 19210780, 38421560]

約数ペア:

[(1, 38421560), (2, 19210780), (4, 9605390), (5, 7684312), (8, 4802695), (10, 3842156), (20, 1921078), (40, 960539), (47, 817480), (94, 408740), (107, 359080), (188, 204370), (191, 201160), (214, 179540), (235, 163496), (376, 102185), (382, 100580), (428, 89770), (470, 81748), (535, 71816), (764, 50290), (856, 44885), (940, 40874), (955, 40232), (1070, 35908), (1528, 25145), (1880, 20437), (1910, 20116), (2140, 17954), (3820, 10058), (4280, 8977), (5029, 7640)]