520240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{929}}^1$

素因数の和:949

約数の個数: 40

約数和(自身を含む): 1383840

約数和(自身を除く): 863600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 929, 1858, 3716, 4645, 6503, 7432, 9290, 13006, 14864, 18580, 26012, 32515, 37160, 52024, 65030, 74320, 104048, 130060, 260120, 520240]

約数ペア:

[(1, 520240), (2, 260120), (4, 130060), (5, 104048), (7, 74320), (8, 65030), (10, 52024), (14, 37160), (16, 32515), (20, 26012), (28, 18580), (35, 14864), (40, 13006), (56, 9290), (70, 7432), (80, 6503), (112, 4645), (140, 3716), (280, 1858), (560, 929)]