1640393000

素因数分解:

$2^3\times 5^3\times {\mathrm{1640393}}^1$

素因数の和:1640414

約数の個数: 32

約数和(自身を含む): 3838521960

約数和(自身を除く): 2198128960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 1640393, 3280786, 6561572, 8201965, 13123144, 16403930, 32807860, 41009825, 65615720, 82019650, 164039300, 205049125, 328078600, 410098250, 820196500, 1640393000]

約数ペア:

[(1, 1640393000), (2, 820196500), (4, 410098250), (5, 328078600), (8, 205049125), (10, 164039300), (20, 82019650), (25, 65615720), (40, 41009825), (50, 32807860), (100, 16403930), (125, 13123144), (200, 8201965), (250, 6561572), (500, 3280786), (1000, 1640393)]