2039296460

素因数分解:

$2^2\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{51059}}^1$

素因数の和:53065

約数の個数: 24

約数和(自身を含む): 4284750960

約数和(自身を除く): 2245454500

約数列:

[1, 2, 4, 5, 10, 20, 1997, 3994, 7988, 9985, 19970, 39940, 51059, 102118, 204236, 255295, 510590, 1021180, 101964823, 203929646, 407859292, 509824115, 1019648230, 2039296460]

約数ペア:

[(1, 2039296460), (2, 1019648230), (4, 509824115), (5, 407859292), (10, 203929646), (20, 101964823), (1997, 1021180), (3994, 510590), (7988, 255295), (9985, 204236), (19970, 102118), (39940, 51059)]