80479366900

素因数分解:

$2^2\times 5^2\times {\mathrm{20509}}^1\times {\mathrm{39241}}^1$

素因数の和:59764

約数の個数: 36

約数和(自身を含む): 174653192140

約数和(自身を除く): 94173825240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20509, 39241, 41018, 78482, 82036, 102545, 156964, 196205, 205090, 392410, 410180, 512725, 784820, 981025, 1025450, 1962050, 2050900, 3924100, 804793669, 1609587338, 3219174676, 4023968345, 8047936690, 16095873380, 20119841725, 40239683450, 80479366900]

約数ペア:

[(1, 80479366900), (2, 40239683450), (4, 20119841725), (5, 16095873380), (10, 8047936690), (20, 4023968345), (25, 3219174676), (50, 1609587338), (100, 804793669), (20509, 3924100), (39241, 2050900), (41018, 1962050), (78482, 1025450), (82036, 981025), (102545, 784820), (156964, 512725), (196205, 410180), (205090, 392410)]