66032840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23251}}^1$

素因数の和:23333

約数の個数: 32

約数和(自身を含む): 150672960

約数和(自身を除く): 84640120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 23251, 46502, 93004, 116255, 186008, 232510, 465020, 930040, 1650821, 3301642, 6603284, 8254105, 13206568, 16508210, 33016420, 66032840]

約数ペア:

[(1, 66032840), (2, 33016420), (4, 16508210), (5, 13206568), (8, 8254105), (10, 6603284), (20, 3301642), (40, 1650821), (71, 930040), (142, 465020), (284, 232510), (355, 186008), (568, 116255), (710, 93004), (1420, 46502), (2840, 23251)]