65018560

素因数分解:

$2^6\times 5^1\times {\mathrm{203183}}^1$

素因数の和:203200

約数の個数: 28

約数和(自身を含む): 154826208

約数和(自身を除く): 89807648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 203183, 406366, 812732, 1015915, 1625464, 2031830, 3250928, 4063660, 6501856, 8127320, 13003712, 16254640, 32509280, 65018560]

約数ペア:

[(1, 65018560), (2, 32509280), (4, 16254640), (5, 13003712), (8, 8127320), (10, 6501856), (16, 4063660), (20, 3250928), (32, 2031830), (40, 1625464), (64, 1015915), (80, 812732), (160, 406366), (320, 203183)]