61457680

素因数分解:

$2^4\times 5^1\times {\mathrm{768221}}^1$

素因数の和:768234

約数の個数: 20

約数和(自身を含む): 142889292

約数和(自身を除く): 81431612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 768221, 1536442, 3072884, 3841105, 6145768, 7682210, 12291536, 15364420, 30728840, 61457680]

約数ペア:

[(1, 61457680), (2, 30728840), (4, 15364420), (5, 12291536), (8, 7682210), (10, 6145768), (16, 3841105), (20, 3072884), (40, 1536442), (80, 768221)]