40440890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 86261760

約数和(自身を除く): 45820870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 79, 103, 142, 158, 206, 355, 395, 497, 515, 553, 710, 721, 790, 994, 1030, 1106, 1442, 2485, 2765, 3605, 4970, 5530, 5609, 7210, 7313, 8137, 11218, 14626, 16274, 28045, 36565, 39263, 40685, 51191, 56090, 56959, 73130, 78526, 81370, 102382, 113918, 196315, 255955, 284795, 392630, 511910, 569590, 577727, 1155454, 2888635, 4044089, 5777270, 8088178, 20220445, 40440890]

約数ペア:

[(1, 40440890), (2, 20220445), (5, 8088178), (7, 5777270), (10, 4044089), (14, 2888635), (35, 1155454), (70, 577727), (71, 569590), (79, 511910), (103, 392630), (142, 284795), (158, 255955), (206, 196315), (355, 113918), (395, 102382), (497, 81370), (515, 78526), (553, 73130), (710, 56959), (721, 56090), (790, 51191), (994, 40685), (1030, 39263), (1106, 36565), (1442, 28045), (2485, 16274), (2765, 14626), (3605, 11218), (4970, 8137), (5530, 7313), (5609, 7210)]