30728840

素因数分解:

$2^3\times 5^1\times {\mathrm{768221}}^1$

素因数の和:768232

約数の個数: 16

約数和(自身を含む): 69139980

約数和(自身を除く): 38411140

約数列:

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

約数ペア:

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