61635920

素因数分解:

$2^4\times 5^1\times {\mathrm{770449}}^1$

素因数の和:770462

約数の個数: 20

約数和(自身を含む): 143303700

約数和(自身を除く): 81667780

約数列:

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

約数ペア:

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