168426640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{110807}}^1$

素因数の和:110839

約数の個数: 40

約数和(自身を含む): 412205760

約数和(自身を除く): 243779120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 110807, 221614, 443228, 554035, 886456, 1108070, 1772912, 2105333, 2216140, 4210666, 4432280, 8421332, 8864560, 10526665, 16842664, 21053330, 33685328, 42106660, 84213320, 168426640]

約数ペア:

[(1, 168426640), (2, 84213320), (4, 42106660), (5, 33685328), (8, 21053330), (10, 16842664), (16, 10526665), (19, 8864560), (20, 8421332), (38, 4432280), (40, 4210666), (76, 2216140), (80, 2105333), (95, 1772912), (152, 1108070), (190, 886456), (304, 554035), (380, 443228), (760, 221614), (1520, 110807)]