165382240

素因数分解:

$2^5\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1259}}^1$

素因数の和:2095

約数の個数: 48

約数和(自身を含む): 391502160

約数和(自身を除く): 226119920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 821, 1259, 1642, 2518, 3284, 4105, 5036, 6295, 6568, 8210, 10072, 12590, 13136, 16420, 20144, 25180, 26272, 32840, 40288, 50360, 65680, 100720, 131360, 201440, 1033639, 2067278, 4134556, 5168195, 8269112, 10336390, 16538224, 20672780, 33076448, 41345560, 82691120, 165382240]

約数ペア:

[(1, 165382240), (2, 82691120), (4, 41345560), (5, 33076448), (8, 20672780), (10, 16538224), (16, 10336390), (20, 8269112), (32, 5168195), (40, 4134556), (80, 2067278), (160, 1033639), (821, 201440), (1259, 131360), (1642, 100720), (2518, 65680), (3284, 50360), (4105, 40288), (5036, 32840), (6295, 26272), (6568, 25180), (8210, 20144), (10072, 16420), (12590, 13136)]