16802080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5527}}^1$

素因数の和:5561

約数の個数: 48

約数和(自身を含む): 41791680

約数和(自身を除く): 24989600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 5527, 11054, 22108, 27635, 44216, 55270, 88432, 105013, 110540, 176864, 210026, 221080, 420052, 442160, 525065, 840104, 884320, 1050130, 1680208, 2100260, 3360416, 4200520, 8401040, 16802080]

約数ペア:

[(1, 16802080), (2, 8401040), (4, 4200520), (5, 3360416), (8, 2100260), (10, 1680208), (16, 1050130), (19, 884320), (20, 840104), (32, 525065), (38, 442160), (40, 420052), (76, 221080), (80, 210026), (95, 176864), (152, 110540), (160, 105013), (190, 88432), (304, 55270), (380, 44216), (608, 27635), (760, 22108), (1520, 11054), (3040, 5527)]