40377620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1201}}^1$

素因数の和:1292

約数の個数: 36

約数和(自身を含む): 86983932

約数和(自身を除く): 46606312

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1201, 1681, 2402, 3362, 4804, 6005, 6724, 8405, 12010, 16810, 24020, 33620, 49241, 98482, 196964, 246205, 492410, 984820, 2018881, 4037762, 8075524, 10094405, 20188810, 40377620]

約数ペア:

[(1, 40377620), (2, 20188810), (4, 10094405), (5, 8075524), (10, 4037762), (20, 2018881), (41, 984820), (82, 492410), (164, 246205), (205, 196964), (410, 98482), (820, 49241), (1201, 33620), (1681, 24020), (2402, 16810), (3362, 12010), (4804, 8405), (6005, 6724)]