2072720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2019

約数の個数: 40

約数和(自身を含む): 5192376

約数和(自身を除く): 3119656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1993, 3986, 7972, 9965, 15944, 19930, 25909, 31888, 39860, 51818, 79720, 103636, 129545, 159440, 207272, 259090, 414544, 518180, 1036360, 2072720]

約数ペア:

[(1, 2072720), (2, 1036360), (4, 518180), (5, 414544), (8, 259090), (10, 207272), (13, 159440), (16, 129545), (20, 103636), (26, 79720), (40, 51818), (52, 39860), (65, 31888), (80, 25909), (104, 19930), (130, 15944), (208, 9965), (260, 7972), (520, 3986), (1040, 1993)]