76989880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15907}}^1$

素因数の和:15940

約数の個数: 48

約数和(自身を含む): 190418760

約数和(自身を除く): 113428880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 15907, 31814, 63628, 79535, 127256, 159070, 174977, 318140, 349954, 636280, 699908, 874885, 1399816, 1749770, 1924747, 3499540, 3849494, 6999080, 7698988, 9623735, 15397976, 19247470, 38494940, 76989880]

約数ペア:

[(1, 76989880), (2, 38494940), (4, 19247470), (5, 15397976), (8, 9623735), (10, 7698988), (11, 6999080), (20, 3849494), (22, 3499540), (40, 1924747), (44, 1749770), (55, 1399816), (88, 874885), (110, 699908), (121, 636280), (220, 349954), (242, 318140), (440, 174977), (484, 159070), (605, 127256), (968, 79535), (1210, 63628), (2420, 31814), (4840, 15907)]