133531120

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23509}}^1$

素因数の和:23593

約数の個数: 40

約数和(自身を含む): 314845920

約数和(自身を除く): 181314800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 23509, 47018, 94036, 117545, 188072, 235090, 376144, 470180, 940360, 1669139, 1880720, 3338278, 6676556, 8345695, 13353112, 16691390, 26706224, 33382780, 66765560, 133531120]

約数ペア:

[(1, 133531120), (2, 66765560), (4, 33382780), (5, 26706224), (8, 16691390), (10, 13353112), (16, 8345695), (20, 6676556), (40, 3338278), (71, 1880720), (80, 1669139), (142, 940360), (284, 470180), (355, 376144), (568, 235090), (710, 188072), (1136, 117545), (1420, 94036), (2840, 47018), (5680, 23509)]