64755520

素因数分解:

$2^6\times 5^1\times {\mathrm{202361}}^1$

素因数の和:202378

約数の個数: 28

約数和(自身を含む): 154199844

約数和(自身を除く): 89444324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 202361, 404722, 809444, 1011805, 1618888, 2023610, 3237776, 4047220, 6475552, 8094440, 12951104, 16188880, 32377760, 64755520]

約数ペア:

[(1, 64755520), (2, 32377760), (4, 16188880), (5, 12951104), (8, 8094440), (10, 6475552), (16, 4047220), (20, 3237776), (32, 2023610), (40, 1618888), (64, 1011805), (80, 809444), (160, 404722), (320, 202361)]