1245320240

素因数分解:

$2^4\times 5^1\times {\mathrm{1873}}^1\times {\mathrm{8311}}^1$

素因数の和:10197

約数の個数: 40

約数和(自身を含む): 2897263968

約数和(自身を除く): 1651943728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1873, 3746, 7492, 8311, 9365, 14984, 16622, 18730, 29968, 33244, 37460, 41555, 66488, 74920, 83110, 132976, 149840, 166220, 332440, 664880, 15566503, 31133006, 62266012, 77832515, 124532024, 155665030, 249064048, 311330060, 622660120, 1245320240]

約数ペア:

[(1, 1245320240), (2, 622660120), (4, 311330060), (5, 249064048), (8, 155665030), (10, 124532024), (16, 77832515), (20, 62266012), (40, 31133006), (80, 15566503), (1873, 664880), (3746, 332440), (7492, 166220), (8311, 149840), (9365, 132976), (14984, 83110), (16622, 74920), (18730, 66488), (29968, 41555), (33244, 37460)]