31289080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{14759}}^1$

素因数の和:14823

約数の個数: 32

約数和(自身を含む): 71733600

約数和(自身を除く): 40444520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 14759, 29518, 59036, 73795, 118072, 147590, 295180, 590360, 782227, 1564454, 3128908, 3911135, 6257816, 7822270, 15644540, 31289080]

約数ペア:

[(1, 31289080), (2, 15644540), (4, 7822270), (5, 6257816), (8, 3911135), (10, 3128908), (20, 1564454), (40, 782227), (53, 590360), (106, 295180), (212, 147590), (265, 118072), (424, 73795), (530, 59036), (1060, 29518), (2120, 14759)]