83607580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20593}}^1$

素因数の和:20638

約数の個数: 48

約数和(自身を含む): 207587520

約数和(自身を除く): 123979940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 20593, 41186, 82372, 102965, 144151, 205930, 288302, 411860, 576604, 597197, 720755, 1194394, 1441510, 2388788, 2883020, 2985985, 4180379, 5971970, 8360758, 11943940, 16721516, 20901895, 41803790, 83607580]

約数ペア:

[(1, 83607580), (2, 41803790), (4, 20901895), (5, 16721516), (7, 11943940), (10, 8360758), (14, 5971970), (20, 4180379), (28, 2985985), (29, 2883020), (35, 2388788), (58, 1441510), (70, 1194394), (116, 720755), (140, 597197), (145, 576604), (203, 411860), (290, 288302), (406, 205930), (580, 144151), (812, 102965), (1015, 82372), (2030, 41186), (4060, 20593)]