42955120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 108868032

約数和(自身を除く): 65912912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 206, 208, 260, 401, 412, 515, 520, 802, 824, 1030, 1040, 1339, 1604, 1648, 2005, 2060, 2678, 3208, 4010, 4120, 5213, 5356, 6416, 6695, 8020, 8240, 10426, 10712, 13390, 16040, 20852, 21424, 26065, 26780, 32080, 41303, 41704, 52130, 53560, 82606, 83408, 104260, 107120, 165212, 206515, 208520, 330424, 413030, 417040, 536939, 660848, 826060, 1073878, 1652120, 2147756, 2684695, 3304240, 4295512, 5369390, 8591024, 10738780, 21477560, 42955120]

約数ペア:

[(1, 42955120), (2, 21477560), (4, 10738780), (5, 8591024), (8, 5369390), (10, 4295512), (13, 3304240), (16, 2684695), (20, 2147756), (26, 1652120), (40, 1073878), (52, 826060), (65, 660848), (80, 536939), (103, 417040), (104, 413030), (130, 330424), (206, 208520), (208, 206515), (260, 165212), (401, 107120), (412, 104260), (515, 83408), (520, 82606), (802, 53560), (824, 52130), (1030, 41704), (1040, 41303), (1339, 32080), (1604, 26780), (1648, 26065), (2005, 21424), (2060, 20852), (2678, 16040), (3208, 13390), (4010, 10712), (4120, 10426), (5213, 8240), (5356, 8020), (6416, 6695)]