13381240

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4993}}^1$

素因数の和:5071

約数の個数: 32

約数和(自身を含む): 30563280

約数和(自身を除く): 17182040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 4993, 9986, 19972, 24965, 39944, 49930, 99860, 199720, 334531, 669062, 1338124, 1672655, 2676248, 3345310, 6690620, 13381240]

約数ペア:

[(1, 13381240), (2, 6690620), (4, 3345310), (5, 2676248), (8, 1672655), (10, 1338124), (20, 669062), (40, 334531), (67, 199720), (134, 99860), (268, 49930), (335, 39944), (536, 24965), (670, 19972), (1340, 9986), (2680, 4993)]