403745120

素因数分解:

$2^5\times 5^1\times {\mathrm{997}}^1\times {\mathrm{2531}}^1$

素因数の和:3543

約数の個数: 48

約数和(自身を含む): 955181808

約数和(自身を除く): 551436688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 997, 1994, 2531, 3988, 4985, 5062, 7976, 9970, 10124, 12655, 15952, 19940, 20248, 25310, 31904, 39880, 40496, 50620, 79760, 80992, 101240, 159520, 202480, 404960, 2523407, 5046814, 10093628, 12617035, 20187256, 25234070, 40374512, 50468140, 80749024, 100936280, 201872560, 403745120]

約数ペア:

[(1, 403745120), (2, 201872560), (4, 100936280), (5, 80749024), (8, 50468140), (10, 40374512), (16, 25234070), (20, 20187256), (32, 12617035), (40, 10093628), (80, 5046814), (160, 2523407), (997, 404960), (1994, 202480), (2531, 159520), (3988, 101240), (4985, 80992), (5062, 79760), (7976, 50620), (9970, 40496), (10124, 39880), (12655, 31904), (15952, 25310), (19940, 20248)]