40388936

素因数分解:

$2^3\times 7^3\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 90720000

約数和(自身を除く): 50331064

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 196, 287, 328, 343, 359, 392, 574, 686, 718, 1148, 1372, 1436, 2009, 2296, 2513, 2744, 2872, 4018, 5026, 8036, 10052, 14063, 14719, 16072, 17591, 20104, 28126, 29438, 35182, 56252, 58876, 70364, 103033, 112504, 117752, 123137, 140728, 206066, 246274, 412132, 492548, 721231, 824264, 985096, 1442462, 2884924, 5048617, 5769848, 10097234, 20194468, 40388936]

約数ペア:

[(1, 40388936), (2, 20194468), (4, 10097234), (7, 5769848), (8, 5048617), (14, 2884924), (28, 1442462), (41, 985096), (49, 824264), (56, 721231), (82, 492548), (98, 412132), (164, 246274), (196, 206066), (287, 140728), (328, 123137), (343, 117752), (359, 112504), (392, 103033), (574, 70364), (686, 58876), (718, 56252), (1148, 35182), (1372, 29438), (1436, 28126), (2009, 20104), (2296, 17591), (2513, 16072), (2744, 14719), (2872, 14063), (4018, 10052), (5026, 8036)]