133420720

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4159}}^1$

素因数の和:4573

約数の個数: 40

約数和(自身を含む): 311051520

約数和(自身を除く): 177630800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 3208, 4010, 4159, 6416, 8020, 8318, 16040, 16636, 20795, 32080, 33272, 41590, 66544, 83180, 166360, 332720, 1667759, 3335518, 6671036, 8338795, 13342072, 16677590, 26684144, 33355180, 66710360, 133420720]

約数ペア:

[(1, 133420720), (2, 66710360), (4, 33355180), (5, 26684144), (8, 16677590), (10, 13342072), (16, 8338795), (20, 6671036), (40, 3335518), (80, 1667759), (401, 332720), (802, 166360), (1604, 83180), (2005, 66544), (3208, 41590), (4010, 33272), (4159, 32080), (6416, 20795), (8020, 16636), (8318, 16040)]