16335440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 43657920

約数和(自身を除く): 27322480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 977, 1045, 1520, 1672, 1954, 2090, 3344, 3908, 4180, 4885, 7816, 8360, 9770, 10747, 15632, 16720, 18563, 19540, 21494, 37126, 39080, 42988, 53735, 74252, 78160, 85976, 92815, 107470, 148504, 171952, 185630, 204193, 214940, 297008, 371260, 408386, 429880, 742520, 816772, 859760, 1020965, 1485040, 1633544, 2041930, 3267088, 4083860, 8167720, 16335440]

約数ペア:

[(1, 16335440), (2, 8167720), (4, 4083860), (5, 3267088), (8, 2041930), (10, 1633544), (11, 1485040), (16, 1020965), (19, 859760), (20, 816772), (22, 742520), (38, 429880), (40, 408386), (44, 371260), (55, 297008), (76, 214940), (80, 204193), (88, 185630), (95, 171952), (110, 148504), (152, 107470), (176, 92815), (190, 85976), (209, 78160), (220, 74252), (304, 53735), (380, 42988), (418, 39080), (440, 37126), (760, 21494), (836, 19540), (880, 18563), (977, 16720), (1045, 15632), (1520, 10747), (1672, 9770), (1954, 8360), (2090, 7816), (3344, 4885), (3908, 4180)]