2012304820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{51413}}^1$

素因数の和:51544

約数の個数: 48

約数和(自身を含む): 4491527040

約数和(自身を除く): 2479222220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1957, 2060, 3914, 7828, 9785, 19570, 39140, 51413, 102826, 205652, 257065, 514130, 976847, 1028260, 1953694, 3907388, 4884235, 5295539, 9768470, 10591078, 19536940, 21182156, 26477695, 52955390, 100615241, 105910780, 201230482, 402460964, 503076205, 1006152410, 2012304820]

約数ペア:

[(1, 2012304820), (2, 1006152410), (4, 503076205), (5, 402460964), (10, 201230482), (19, 105910780), (20, 100615241), (38, 52955390), (76, 26477695), (95, 21182156), (103, 19536940), (190, 10591078), (206, 9768470), (380, 5295539), (412, 4884235), (515, 3907388), (1030, 1953694), (1957, 1028260), (2060, 976847), (3914, 514130), (7828, 257065), (9785, 205652), (19570, 102826), (39140, 51413)]