9643240

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^2$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 21741570

約数和(自身を除く): 12098330

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 19640, 241081, 482162, 964324, 1205405, 1928648, 2410810, 4821620, 9643240]

約数ペア:

[(1, 9643240), (2, 4821620), (4, 2410810), (5, 1928648), (8, 1205405), (10, 964324), (20, 482162), (40, 241081), (491, 19640), (982, 9820), (1964, 4910), (2455, 3928)]