2020167400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{531623}}^1$

素因数の和:531658

約数の個数: 48

約数和(自身を含む): 4944103200

約数和(自身を除く): 2923935800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 531623, 1063246, 2126492, 2658115, 4252984, 5316230, 10100837, 10632460, 13290575, 20201674, 21264920, 26581150, 40403348, 50504185, 53162300, 80806696, 101008370, 106324600, 202016740, 252520925, 404033480, 505041850, 1010083700, 2020167400]

約数ペア:

[(1, 2020167400), (2, 1010083700), (4, 505041850), (5, 404033480), (8, 252520925), (10, 202016740), (19, 106324600), (20, 101008370), (25, 80806696), (38, 53162300), (40, 50504185), (50, 40403348), (76, 26581150), (95, 21264920), (100, 20201674), (152, 13290575), (190, 10632460), (200, 10100837), (380, 5316230), (475, 4252984), (760, 2658115), (950, 2126492), (1900, 1063246), (3800, 531623)]