66107320

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4993}}^1$

素因数の和:5335

約数の個数: 32

約数和(自身を含む): 149220720

約数和(自身を除く): 83113400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 4993, 6620, 9986, 13240, 19972, 24965, 39944, 49930, 99860, 199720, 1652683, 3305366, 6610732, 8263415, 13221464, 16526830, 33053660, 66107320]

約数ペア:

[(1, 66107320), (2, 33053660), (4, 16526830), (5, 13221464), (8, 8263415), (10, 6610732), (20, 3305366), (40, 1652683), (331, 199720), (662, 99860), (1324, 49930), (1655, 39944), (2648, 24965), (3310, 19972), (4993, 13240), (6620, 9986)]