1240280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 2827440

約数和(自身を除く): 1587160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 307, 404, 505, 614, 808, 1010, 1228, 1535, 2020, 2456, 3070, 4040, 6140, 12280, 31007, 62014, 124028, 155035, 248056, 310070, 620140, 1240280]

約数ペア:

[(1, 1240280), (2, 620140), (4, 310070), (5, 248056), (8, 155035), (10, 124028), (20, 62014), (40, 31007), (101, 12280), (202, 6140), (307, 4040), (404, 3070), (505, 2456), (614, 2020), (808, 1535), (1010, 1228)]