835668860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103681}}^1$

素因数の和:103734

約数の個数: 48

約数和(自身を含む): 1950880512

約数和(自身を除く): 1115211652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 103681, 207362, 414724, 518405, 1036810, 1347853, 2073620, 2695706, 3214111, 5391412, 6428222, 6739265, 12856444, 13478530, 16070555, 26957060, 32141110, 41783443, 64282220, 83566886, 167133772, 208917215, 417834430, 835668860]

約数ペア:

[(1, 835668860), (2, 417834430), (4, 208917215), (5, 167133772), (10, 83566886), (13, 64282220), (20, 41783443), (26, 32141110), (31, 26957060), (52, 16070555), (62, 13478530), (65, 12856444), (124, 6739265), (130, 6428222), (155, 5391412), (260, 3214111), (310, 2695706), (403, 2073620), (620, 1347853), (806, 1036810), (1612, 518405), (2015, 414724), (4030, 207362), (8060, 103681)]