40920620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5077}}^1$

素因数の和:5130

約数の個数: 48

約数和(自身を含む): 95547648

約数和(自身を除く): 54627028

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, 5077, 8060, 10154, 20308, 25385, 50770, 66001, 101540, 132002, 157387, 264004, 314774, 330005, 629548, 660010, 786935, 1320020, 1573870, 2046031, 3147740, 4092062, 8184124, 10230155, 20460310, 40920620]

約数ペア:

[(1, 40920620), (2, 20460310), (4, 10230155), (5, 8184124), (10, 4092062), (13, 3147740), (20, 2046031), (26, 1573870), (31, 1320020), (52, 786935), (62, 660010), (65, 629548), (124, 330005), (130, 314774), (155, 264004), (260, 157387), (310, 132002), (403, 101540), (620, 66001), (806, 50770), (1612, 25385), (2015, 20308), (4030, 10154), (5077, 8060)]