8167720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 21124800

約数和(自身を除く): 12957080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 977, 1045, 1672, 1954, 2090, 3908, 4180, 4885, 7816, 8360, 9770, 10747, 18563, 19540, 21494, 37126, 39080, 42988, 53735, 74252, 85976, 92815, 107470, 148504, 185630, 204193, 214940, 371260, 408386, 429880, 742520, 816772, 1020965, 1633544, 2041930, 4083860, 8167720]

約数ペア:

[(1, 8167720), (2, 4083860), (4, 2041930), (5, 1633544), (8, 1020965), (10, 816772), (11, 742520), (19, 429880), (20, 408386), (22, 371260), (38, 214940), (40, 204193), (44, 185630), (55, 148504), (76, 107470), (88, 92815), (95, 85976), (110, 74252), (152, 53735), (190, 42988), (209, 39080), (220, 37126), (380, 21494), (418, 19540), (440, 18563), (760, 10747), (836, 9770), (977, 8360), (1045, 7816), (1672, 4885), (1954, 4180), (2090, 3908)]