9631640

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{619}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 21762000

約数和(自身を除く): 12130360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 619, 778, 1238, 1556, 1945, 2476, 3095, 3112, 3890, 4952, 6190, 7780, 12380, 15560, 24760, 240791, 481582, 963164, 1203955, 1926328, 2407910, 4815820, 9631640]

約数ペア:

[(1, 9631640), (2, 4815820), (4, 2407910), (5, 1926328), (8, 1203955), (10, 963164), (20, 481582), (40, 240791), (389, 24760), (619, 15560), (778, 12380), (1238, 7780), (1556, 6190), (1945, 4952), (2476, 3890), (3095, 3112)]