72814820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2719}}^1$

素因数の和:2844

約数の個数: 48

約数和(自身を含む): 166333440

約数和(自身を除く): 93518620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2678, 2719, 5356, 5438, 6695, 10876, 13390, 13595, 26780, 27190, 35347, 54380, 70694, 141388, 176735, 280057, 353470, 560114, 706940, 1120228, 1400285, 2800570, 3640741, 5601140, 7281482, 14562964, 18203705, 36407410, 72814820]

約数ペア:

[(1, 72814820), (2, 36407410), (4, 18203705), (5, 14562964), (10, 7281482), (13, 5601140), (20, 3640741), (26, 2800570), (52, 1400285), (65, 1120228), (103, 706940), (130, 560114), (206, 353470), (260, 280057), (412, 176735), (515, 141388), (1030, 70694), (1339, 54380), (2060, 35347), (2678, 27190), (2719, 26780), (5356, 13595), (5438, 13390), (6695, 10876)]