68808220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8537}}^1$

素因数の和:8590

約数の個数: 48

約数和(自身を含む): 160651008

約数和(自身を除く): 91842788

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, 8537, 17074, 34148, 42685, 85370, 110981, 170740, 221962, 264647, 443924, 529294, 554905, 1058588, 1109810, 1323235, 2219620, 2646470, 3440411, 5292940, 6880822, 13761644, 17202055, 34404110, 68808220]

約数ペア:

[(1, 68808220), (2, 34404110), (4, 17202055), (5, 13761644), (10, 6880822), (13, 5292940), (20, 3440411), (26, 2646470), (31, 2219620), (52, 1323235), (62, 1109810), (65, 1058588), (124, 554905), (130, 529294), (155, 443924), (260, 264647), (310, 221962), (403, 170740), (620, 110981), (806, 85370), (1612, 42685), (2015, 34148), (4030, 17074), (8060, 8537)]