4391920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 11374272

約数和(自身を除く): 6982352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 103, 104, 130, 164, 205, 206, 208, 260, 328, 410, 412, 515, 520, 533, 656, 820, 824, 1030, 1040, 1066, 1339, 1640, 1648, 2060, 2132, 2665, 2678, 3280, 4120, 4223, 4264, 5330, 5356, 6695, 8240, 8446, 8528, 10660, 10712, 13390, 16892, 21115, 21320, 21424, 26780, 33784, 42230, 42640, 53560, 54899, 67568, 84460, 107120, 109798, 168920, 219596, 274495, 337840, 439192, 548990, 878384, 1097980, 2195960, 4391920]

約数ペア:

[(1, 4391920), (2, 2195960), (4, 1097980), (5, 878384), (8, 548990), (10, 439192), (13, 337840), (16, 274495), (20, 219596), (26, 168920), (40, 109798), (41, 107120), (52, 84460), (65, 67568), (80, 54899), (82, 53560), (103, 42640), (104, 42230), (130, 33784), (164, 26780), (205, 21424), (206, 21320), (208, 21115), (260, 16892), (328, 13390), (410, 10712), (412, 10660), (515, 8528), (520, 8446), (533, 8240), (656, 6695), (820, 5356), (824, 5330), (1030, 4264), (1040, 4223), (1066, 4120), (1339, 3280), (1640, 2678), (1648, 2665), (2060, 2132)]