129976360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{53269}}^1$

素因数の和:53341

約数の個数: 32

約数和(自身を含む): 297246600

約数和(自身を除く): 167270240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 53269, 106538, 213076, 266345, 426152, 532690, 1065380, 2130760, 3249409, 6498818, 12997636, 16247045, 25995272, 32494090, 64988180, 129976360]

約数ペア:

[(1, 129976360), (2, 64988180), (4, 32494090), (5, 25995272), (8, 16247045), (10, 12997636), (20, 6498818), (40, 3249409), (61, 2130760), (122, 1065380), (244, 532690), (305, 426152), (488, 266345), (610, 213076), (1220, 106538), (2440, 53269)]