81686943940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{583478171}}^1$

素因数の和:583478187

約数の個数: 24

約数和(自身を含む): 196048665792

約数和(自身を除く): 114361721852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 583478171, 1166956342, 2333912684, 2917390855, 4084347197, 5834781710, 8168694394, 11669563420, 16337388788, 20421735985, 40843471970, 81686943940]

約数ペア:

[(1, 81686943940), (2, 40843471970), (4, 20421735985), (5, 16337388788), (7, 11669563420), (10, 8168694394), (14, 5834781710), (20, 4084347197), (28, 2917390855), (35, 2333912684), (70, 1166956342), (140, 583478171)]