123271840

素因数分解:

$2^5\times 5^1\times {\mathrm{770449}}^1$

素因数の和:770464

約数の個数: 24

約数和(自身を含む): 291230100

約数和(自身を除く): 167958260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 770449, 1540898, 3081796, 3852245, 6163592, 7704490, 12327184, 15408980, 24654368, 30817960, 61635920, 123271840]

約数ペア:

[(1, 123271840), (2, 61635920), (4, 30817960), (5, 24654368), (8, 15408980), (10, 12327184), (16, 7704490), (20, 6163592), (32, 3852245), (40, 3081796), (80, 1540898), (160, 770449)]