40210840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 96127200

約数和(自身を除く): 55916360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 157, 190, 314, 337, 380, 628, 674, 760, 785, 1256, 1348, 1570, 1685, 2696, 2983, 3140, 3370, 5966, 6280, 6403, 6740, 11932, 12806, 13480, 14915, 23864, 25612, 29830, 32015, 51224, 52909, 59660, 64030, 105818, 119320, 128060, 211636, 256120, 264545, 423272, 529090, 1005271, 1058180, 2010542, 2116360, 4021084, 5026355, 8042168, 10052710, 20105420, 40210840]

約数ペア:

[(1, 40210840), (2, 20105420), (4, 10052710), (5, 8042168), (8, 5026355), (10, 4021084), (19, 2116360), (20, 2010542), (38, 1058180), (40, 1005271), (76, 529090), (95, 423272), (152, 264545), (157, 256120), (190, 211636), (314, 128060), (337, 119320), (380, 105818), (628, 64030), (674, 59660), (760, 52909), (785, 51224), (1256, 32015), (1348, 29830), (1570, 25612), (1685, 23864), (2696, 14915), (2983, 13480), (3140, 12806), (3370, 11932), (5966, 6740), (6280, 6403)]