15543280

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2003}}^1$

素因数の和:2113

約数の個数: 40

約数和(自身を含む): 36528912

約数和(自身を除く): 20985632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 2003, 3880, 4006, 7760, 8012, 10015, 16024, 20030, 32048, 40060, 80120, 160240, 194291, 388582, 777164, 971455, 1554328, 1942910, 3108656, 3885820, 7771640, 15543280]

約数ペア:

[(1, 15543280), (2, 7771640), (4, 3885820), (5, 3108656), (8, 1942910), (10, 1554328), (16, 971455), (20, 777164), (40, 388582), (80, 194291), (97, 160240), (194, 80120), (388, 40060), (485, 32048), (776, 20030), (970, 16024), (1552, 10015), (1940, 8012), (2003, 7760), (3880, 4006)]