129204220

素因数分解:

$2^2\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{4327}}^1$

素因数の和:5829

約数の個数: 24

約数和(自身を含む): 271573344

約数和(自身を除く): 142369124

約数列:

[1, 2, 4, 5, 10, 20, 1493, 2986, 4327, 5972, 7465, 8654, 14930, 17308, 21635, 29860, 43270, 86540, 6460211, 12920422, 25840844, 32301055, 64602110, 129204220]

約数ペア:

[(1, 129204220), (2, 64602110), (4, 32301055), (5, 25840844), (10, 12920422), (20, 6460211), (1493, 86540), (2986, 43270), (4327, 29860), (5972, 21635), (7465, 17308), (8654, 14930)]