84781940

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{5227}}^1$

素因数の和:6047

約数の個数: 24

約数和(自身を含む): 178295712

約数和(自身を除く): 93513772

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 5227, 8110, 10454, 16220, 20908, 26135, 52270, 104540, 4239097, 8478194, 16956388, 21195485, 42390970, 84781940]

約数ペア:

[(1, 84781940), (2, 42390970), (4, 21195485), (5, 16956388), (10, 8478194), (20, 4239097), (811, 104540), (1622, 52270), (3244, 26135), (4055, 20908), (5227, 16220), (8110, 10454)]