1317560240

素因数分解:

$2^4\times 5^1\times {\mathrm{16469503}}^1$

素因数の和:16469516

約数の個数: 20

約数和(自身を含む): 3063327744

約数和(自身を除く): 1745767504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16469503, 32939006, 65878012, 82347515, 131756024, 164695030, 263512048, 329390060, 658780120, 1317560240]

約数ペア:

[(1, 1317560240), (2, 658780120), (4, 329390060), (5, 263512048), (8, 164695030), (10, 131756024), (16, 82347515), (20, 65878012), (40, 32939006), (80, 16469503)]