65359120

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8089}}^1$

素因数の和:8203

約数の個数: 40

約数和(自身を含む): 153483480

約数和(自身を除く): 88124360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 8089, 16178, 32356, 40445, 64712, 80890, 129424, 161780, 323560, 647120, 816989, 1633978, 3267956, 4084945, 6535912, 8169890, 13071824, 16339780, 32679560, 65359120]

約数ペア:

[(1, 65359120), (2, 32679560), (4, 16339780), (5, 13071824), (8, 8169890), (10, 6535912), (16, 4084945), (20, 3267956), (40, 1633978), (80, 816989), (101, 647120), (202, 323560), (404, 161780), (505, 129424), (808, 80890), (1010, 64712), (1616, 40445), (2020, 32356), (4040, 16178), (8080, 8089)]