40870340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{827}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 98485632

約数和(自身を除く): 57615292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 827, 1412, 1654, 1765, 2471, 3308, 3530, 4135, 4942, 5789, 7060, 8270, 9884, 11578, 12355, 16540, 23156, 24710, 28945, 49420, 57890, 115780, 291931, 583862, 1167724, 1459655, 2043517, 2919310, 4087034, 5838620, 8174068, 10217585, 20435170, 40870340]

約数ペア:

[(1, 40870340), (2, 20435170), (4, 10217585), (5, 8174068), (7, 5838620), (10, 4087034), (14, 2919310), (20, 2043517), (28, 1459655), (35, 1167724), (70, 583862), (140, 291931), (353, 115780), (706, 57890), (827, 49420), (1412, 28945), (1654, 24710), (1765, 23156), (2471, 16540), (3308, 12355), (3530, 11578), (4135, 9884), (4942, 8270), (5789, 7060)]