1640341409260

素因数分解:

$2^2\times 5^1\times {\mathrm{67757}}^1\times {\mathrm{1210459}}^1$

素因数の和:1278225

約数の個数: 24

約数和(自身を含む): 3444770644560

約数和(自身を除く): 1804429235300

約数列:

[1, 2, 4, 5, 10, 20, 67757, 135514, 271028, 338785, 677570, 1210459, 1355140, 2420918, 4841836, 6052295, 12104590, 24209180, 82017070463, 164034140926, 328068281852, 410085352315, 820170704630, 1640341409260]

約数ペア:

[(1, 1640341409260), (2, 820170704630), (4, 410085352315), (5, 328068281852), (10, 164034140926), (20, 82017070463), (67757, 24209180), (135514, 12104590), (271028, 6052295), (338785, 4841836), (677570, 2420918), (1210459, 1355140)]