1131640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 2682000

約数和(自身を除く): 1550360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1489, 2978, 5956, 7445, 11912, 14890, 28291, 29780, 56582, 59560, 113164, 141455, 226328, 282910, 565820, 1131640]

約数ペア:

[(1, 1131640), (2, 565820), (4, 282910), (5, 226328), (8, 141455), (10, 113164), (19, 59560), (20, 56582), (38, 29780), (40, 28291), (76, 14890), (95, 11912), (152, 7445), (190, 5956), (380, 2978), (760, 1489)]