2446434140

素因数分解:

$2^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{61561}}^1$

素因数の和:63557

約数の個数: 24

約数和(自身を含む): 5140180752

約数和(自身を除く): 2693746612

約数列:

[1, 2, 4, 5, 10, 20, 1987, 3974, 7948, 9935, 19870, 39740, 61561, 123122, 246244, 307805, 615610, 1231220, 122321707, 244643414, 489286828, 611608535, 1223217070, 2446434140]

約数ペア:

[(1, 2446434140), (2, 1223217070), (4, 611608535), (5, 489286828), (10, 244643414), (20, 122321707), (1987, 1231220), (3974, 615610), (7948, 307805), (9935, 246244), (19870, 123122), (39740, 61561)]