81121100

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{8363}}^1$

素因数の和:8474

約数の個数: 36

約数和(自身を含む): 177868824

約数和(自身を除く): 96747724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 4850, 8363, 9700, 16726, 33452, 41815, 83630, 167260, 209075, 418150, 811211, 836300, 1622422, 3244844, 4056055, 8112110, 16224220, 20280275, 40560550, 81121100]

約数ペア:

[(1, 81121100), (2, 40560550), (4, 20280275), (5, 16224220), (10, 8112110), (20, 4056055), (25, 3244844), (50, 1622422), (97, 836300), (100, 811211), (194, 418150), (388, 209075), (485, 167260), (970, 83630), (1940, 41815), (2425, 33452), (4850, 16726), (8363, 9700)]