165460040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{29759}}^1$

素因数の和:29909

約数の個数: 32

約数和(自身を含む): 374976000

約数和(自身を除く): 209515960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 29759, 59518, 119036, 148795, 238072, 297590, 595180, 1190360, 4136501, 8273002, 16546004, 20682505, 33092008, 41365010, 82730020, 165460040]

約数ペア:

[(1, 165460040), (2, 82730020), (4, 41365010), (5, 33092008), (8, 20682505), (10, 16546004), (20, 8273002), (40, 4136501), (139, 1190360), (278, 595180), (556, 297590), (695, 238072), (1112, 148795), (1390, 119036), (2780, 59518), (5560, 29759)]