205152040

素因数分解:

$2^3\times 5^1\times {\mathrm{733}}^1\times {\mathrm{6997}}^1$

素因数の和:7741

約数の個数: 32

約数和(自身を含む): 462287880

約数和(自身を除く): 257135840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 733, 1466, 2932, 3665, 5864, 6997, 7330, 13994, 14660, 27988, 29320, 34985, 55976, 69970, 139940, 279880, 5128801, 10257602, 20515204, 25644005, 41030408, 51288010, 102576020, 205152040]

約数ペア:

[(1, 205152040), (2, 102576020), (4, 51288010), (5, 41030408), (8, 25644005), (10, 20515204), (20, 10257602), (40, 5128801), (733, 279880), (1466, 139940), (2932, 69970), (3665, 55976), (5864, 34985), (6997, 29320), (7330, 27988), (13994, 14660)]