79607380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128399}}^1$

素因数の和:128439

約数の個数: 24

約数和(自身を含む): 172569600

約数和(自身を除く): 92962220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 128399, 256798, 513596, 641995, 1283990, 2567980, 3980369, 7960738, 15921476, 19901845, 39803690, 79607380]

約数ペア:

[(1, 79607380), (2, 39803690), (4, 19901845), (5, 15921476), (10, 7960738), (20, 3980369), (31, 2567980), (62, 1283990), (124, 641995), (155, 513596), (310, 256798), (620, 128399)]