2650040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{683}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 6032880

約数和(自身を除く): 3382840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 683, 776, 970, 1366, 1940, 2732, 3415, 3880, 5464, 6830, 13660, 27320, 66251, 132502, 265004, 331255, 530008, 662510, 1325020, 2650040]

約数ペア:

[(1, 2650040), (2, 1325020), (4, 662510), (5, 530008), (8, 331255), (10, 265004), (20, 132502), (40, 66251), (97, 27320), (194, 13660), (388, 6830), (485, 5464), (683, 3880), (776, 3415), (970, 2732), (1366, 1940)]