161038840

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{9341}}^1$

素因数の和:9783

約数の個数: 32

約数和(自身を含む): 363216960

約数和(自身を除く): 202178120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 9341, 17240, 18682, 37364, 46705, 74728, 93410, 186820, 373640, 4025971, 8051942, 16103884, 20129855, 32207768, 40259710, 80519420, 161038840]

約数ペア:

[(1, 161038840), (2, 80519420), (4, 40259710), (5, 32207768), (8, 20129855), (10, 16103884), (20, 8051942), (40, 4025971), (431, 373640), (862, 186820), (1724, 93410), (2155, 74728), (3448, 46705), (4310, 37364), (8620, 18682), (9341, 17240)]