20161592840

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1202959}}^1$

素因数の和:1203389

約数の個数: 32

約数和(自身を含む): 45471888000

約数和(自身を除く): 25310295160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 16760, 1202959, 2405918, 4811836, 6014795, 9623672, 12029590, 24059180, 48118360, 504039821, 1008079642, 2016159284, 2520199105, 4032318568, 5040398210, 10080796420, 20161592840]

約数ペア:

[(1, 20161592840), (2, 10080796420), (4, 5040398210), (5, 4032318568), (8, 2520199105), (10, 2016159284), (20, 1008079642), (40, 504039821), (419, 48118360), (838, 24059180), (1676, 12029590), (2095, 9623672), (3352, 6014795), (4190, 4811836), (8380, 2405918), (16760, 1202959)]