201637819640

素因数分解:

$2^3\times 5^1\times {\mathrm{5040945491}}^1$

素因数の和:5040945502

約数の個数: 16

約数和(自身を含む): 453685094280

約数和(自身を除く): 252047274640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040945491, 10081890982, 20163781964, 25204727455, 40327563928, 50409454910, 100818909820, 201637819640]

約数ペア:

[(1, 201637819640), (2, 100818909820), (4, 50409454910), (5, 40327563928), (8, 25204727455), (10, 20163781964), (20, 10081890982), (40, 5040945491)]