13436020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1667}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 31385088

約数和(自身を除く): 17949068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 1667, 2015, 3334, 4030, 6668, 8060, 8335, 16670, 21671, 33340, 43342, 51677, 86684, 103354, 108355, 206708, 216710, 258385, 433420, 516770, 671801, 1033540, 1343602, 2687204, 3359005, 6718010, 13436020]

約数ペア:

[(1, 13436020), (2, 6718010), (4, 3359005), (5, 2687204), (10, 1343602), (13, 1033540), (20, 671801), (26, 516770), (31, 433420), (52, 258385), (62, 216710), (65, 206708), (124, 108355), (130, 103354), (155, 86684), (260, 51677), (310, 43342), (403, 33340), (620, 21671), (806, 16670), (1612, 8335), (1667, 8060), (2015, 6668), (3334, 4030)]