38973880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{877}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 96720480

約数和(自身を除く): 57746600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 877, 1010, 1111, 1754, 2020, 2222, 3508, 4040, 4385, 4444, 5555, 7016, 8770, 8888, 9647, 11110, 17540, 19294, 22220, 35080, 38588, 44440, 48235, 77176, 88577, 96470, 177154, 192940, 354308, 385880, 442885, 708616, 885770, 974347, 1771540, 1948694, 3543080, 3897388, 4871735, 7794776, 9743470, 19486940, 38973880]

約数ペア:

[(1, 38973880), (2, 19486940), (4, 9743470), (5, 7794776), (8, 4871735), (10, 3897388), (11, 3543080), (20, 1948694), (22, 1771540), (40, 974347), (44, 885770), (55, 708616), (88, 442885), (101, 385880), (110, 354308), (202, 192940), (220, 177154), (404, 96470), (440, 88577), (505, 77176), (808, 48235), (877, 44440), (1010, 38588), (1111, 35080), (1754, 22220), (2020, 19294), (2222, 17540), (3508, 11110), (4040, 9647), (4385, 8888), (4444, 8770), (5555, 7016)]