40573820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{821}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 97771968

約数和(自身を除く): 57198148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 821, 1412, 1642, 1765, 2471, 3284, 3530, 4105, 4942, 5747, 7060, 8210, 9884, 11494, 12355, 16420, 22988, 24710, 28735, 49420, 57470, 114940, 289813, 579626, 1159252, 1449065, 2028691, 2898130, 4057382, 5796260, 8114764, 10143455, 20286910, 40573820]

約数ペア:

[(1, 40573820), (2, 20286910), (4, 10143455), (5, 8114764), (7, 5796260), (10, 4057382), (14, 2898130), (20, 2028691), (28, 1449065), (35, 1159252), (70, 579626), (140, 289813), (353, 114940), (706, 57470), (821, 49420), (1412, 28735), (1642, 24710), (1765, 22988), (2471, 16420), (3284, 12355), (3530, 11494), (4105, 9884), (4942, 8210), (5747, 7060)]