78836780920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19135141}}^1$

素因数の和:19135255

約数の個数: 32

約数和(自身を含む): 179104929120

約数和(自身を除く): 100268148200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 19135141, 38270282, 76540564, 95675705, 153081128, 191351410, 382702820, 765405640, 1970919523, 3941839046, 7883678092, 9854597615, 15767356184, 19709195230, 39418390460, 78836780920]

約数ペア:

[(1, 78836780920), (2, 39418390460), (4, 19709195230), (5, 15767356184), (8, 9854597615), (10, 7883678092), (20, 3941839046), (40, 1970919523), (103, 765405640), (206, 382702820), (412, 191351410), (515, 153081128), (824, 95675705), (1030, 76540564), (2060, 38270282), (4120, 19135141)]