4815820

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{619}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 10155600

約数和(自身を除く): 5339780

約数列:

[1, 2, 4, 5, 10, 20, 389, 619, 778, 1238, 1556, 1945, 2476, 3095, 3890, 6190, 7780, 12380, 240791, 481582, 963164, 1203955, 2407910, 4815820]

約数ペア:

[(1, 4815820), (2, 2407910), (4, 1203955), (5, 963164), (10, 481582), (20, 240791), (389, 12380), (619, 7780), (778, 6190), (1238, 3890), (1556, 3095), (1945, 2476)]