1640482768

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{515227}}^1$

素因数の和:515434

約数の個数: 20

約数和(自身を含む): 3194413600

約数和(自身を除く): 1553930832

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 515227, 1030454, 2060908, 4121816, 8243632, 102530173, 205060346, 410120692, 820241384, 1640482768]

約数ペア:

[(1, 1640482768), (2, 820241384), (4, 410120692), (8, 205060346), (16, 102530173), (199, 8243632), (398, 4121816), (796, 2060908), (1592, 1030454), (3184, 515227)]